The choice of whether to report the median or mean as a measure of central tendency depends on the shape of the data distribution and the purpose of the analysis.
a) Whether the median or mean would be larger depends on the shape of the distribution of the data. The median is the value that separates the lower half of the data from the upper half, and is a robust measure of central tendency, meaning that it is not greatly affected by outliers or extreme values. On the other hand, the mean is the sum of the data values divided by the number of values, and can be influenced by outliers or extreme values.
In the case of the life expectancies data, if the distribution is roughly symmetrical, with most of the values clustered around the center and relatively few outliers or extreme values, then the mean and median would likely be similar in value. However, if the distribution is skewed to one side, with many values concentrated on one end and relatively few values on the other end, then the mean would likely be larger than the median.
b) The best measure to report depends on the context and the purpose of the analysis. In general, the median is a more appropriate measure of central tendency for skewed distributions, since it is not greatly affected by outliers or extreme values. On the other hand, the mean is more appropriate for symmetrical distributions, since it provides a more accurate representation of the typical value of the data.
In the case of the life expectancies data, it may be useful to report both the median and the mean in order to provide a full picture of the central tendency of the data. However, if there are outliers or extreme values that could significantly affect the mean, it would be more appropriate to report the median as the primary measure of central tendency.
To learn more about central tendency please click on below link.
https://brainly.com/question/12896875
#SPJ4
The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. Suppose intensity is 8000 units at a distance of 2 miles. What will the intensity be at a distance of 12 miles? Round your answer to the nearest unit.
a.
205 units
b.
222 units
c.
248 units
d.
186 units
Please select the best answer from the choices provided
A
B
C
D
Answer is B
B, 222 units, is the correct answer.
need help with this asap please!!
Answer:
A van can carry 18 students; a bus can carry 41 students.
Step-by-step explanation:
Let v = capacity of van.
Let b = capacity of bus.
School A:
3v + 12b = 546
School B:
13v + 6b = 480
Our system of equation is:
3v + 12b = 546
13v + 6b = 480
3v + 12b = 546
+ -26v - 12b = -960
-----------------------------
-23v = -414
v = 18
3v + 12b = 546
3(18) + 12b = 546
54 + 12b = 546
12b = 492
b = 41
Answer: A van can carry 18 students; a bus can carry 41 students.
3.162 corrected to a 2 significant figure
Explanation:
The left-most digits are more significant than digits on the right.
For example, in the very large number 1,234,567 the "1" and "2" are more important than the "6" and "7". We focus on the more important digits when rounding. This would mean 1,234,567 rounds to 1,200,000 = 1.2 million = 1.2*10^6
Going back to 3.162, we have "3" and "1" as the left-most digits. We'll bump 3.1 up to 3.2 because of the digit 6 fits the criteria of "5 or larger".
Put another way: 3.162 is closer to 3.2 than it is to 3.1
This is why 3.2 is the final answer.
What is the weight of a 35. 99-carat diamond in grams and ounces? (1 carat=0. 2 g)
The 35.99-carat diamond weighs approximately 7.198 grams (0.254 ounces).
We can use the conversion factor of 1 carat = 0.2 g to convert carats to grams.
Diamond weight in grams: 35.99 carats x 0.2 g/carat = 7.198 g (rounded to three decimal places)
We can use the conversion factor of 1 ounce = 28.3495 g to convert the weight in grams to ounces.
Diamond weight in ounces: 7.198 g / 28.3495 g/o z = 0.254 o z (rounded to three decimal places)
Carats are now commonly used to measure the weight of gemstones, including diamonds, and are abbreviated as "ct." A 1-carat diamond, for example, weighs 0.2 grams while a 2-carat diamond weighs 0.4 grams.
As a result, the 35.99-carat diamond weighs approximately 7.198 grams (0.254 ounces).
To learn more about weight
https://brainly.com/question/1235091
#SPJ4
Hunter, Trace, and Jacob were adding up their ages. The total was 49, If Hunter is 3 years older than Trace, and Jacob is twice Hunter's age. What are the ages of the three boys?
Answer:
Step-by-step explanation:
Let's say Trace's age is "x".
Then, Hunter's age would be (x+3)
And Jacob's will be 2*(x+3)
The Total of three ages would be
x+(x+3)+2*(x+3)=49
4x+9=49
4x=40
x=10
So Trace is 10 years old
Hunter is 13 years old
Jacob is 26 years old.
Evaluate the trigonometric function of the quadrant angle. (If an answer is undefined, enter UNDEFINED.)
Question: csc (3/2)
The value of csc(3π/2) is -1.
What is a trigonometric function?
Simply put, trigonometric functions—also referred to as circular functions—are the functions of a triangle's angle. This means that these trig functions provide the relationship between the angles and sides of a triangle. Sine, cosine, tangent, cotangent, secant, and cosecant are the fundamental trigonometric functions.
Numerous trigonometric identities and formulas indicate the relationship between the functions and aid in determining the triangle's angles.
The given trigonometry function is csc(3π/2)
Assume that y = csc(3π/2)
Break the angle:
y = csc(π + π/2)
Applying the formula csc(π + θ) = -csc θ:
y = - csc(π/2)
y = -1 [since csc(π/2) = 1]
To earn more about trigonometry functions, click on the below ink:
https://brainly.com/question/21461228
#SPJ1
Determine whether the underlined number is a statistic or a parameter. A sample of employees is selected and it is found that 45% own a television. a. Statistic because the value is a numerical measurement describing a characteristic of a population. b. Parameter because the value is a numerical measurement describing a characteristic of a sample. c. Statistic because the value is a numerical measurement describing a characteristic of a sample. d. Parameter because the value is a numerical measurement describing a characteristic of a population.
The answer is c. Statistic because the value is a numerical measurement describing a characteristic of a sample.
A statistic is a value that summarizes a characteristic of a sample. In this case, the percentage of employees in the sample who own a television (45%) is a statistic because it summarizes a characteristic of the sample of employees that was selected. A parameter, on the other hand, is a value that summarizes a characteristic of a population. For example, if we were to consider the percentage of all employees in the company who own a television, then the mean or median percentage of television ownership would be a parameter because it would describe a characteristic of the entire population of employees. In summary, statistics are values that describe a characteristic of a sample, while parameters are values that describe a characteristic of a population.
To learn more about Statistic click here
brainly.com/question/14318705
#SPJ4
What is the radius of a cylinder with a volume of 950 inches to the third power in a height of 10 inches
Answer:
Step-by-step explanation:
Given the volume of a cylinder, V = πr^2h, where r is the radius, h is the height, and π is Pi, we can find the radius by rearranging the equation and solving for r.
V = πr^2h, so r^2 = V / (πh)
Taking the square root of both sides, we have:
r = √(V / (πh))
Substituting the given values:
r = √(950 / (π * 10))
Since Pi is approximately equal to 3.14, we can calculate the approximate value of r:
r = √(950 / (3.14 * 10))
r ≈ 7.46
Therefore, the radius of the cylinder with a volume of 950 cubic inches and a height of 10 inches is approximately 7.46 inches.
Which of the following is the correct order when multiplying 2 binomials
A. First, outer, inner, last
B. Inner, first, last, outer
C. Last, inner, outer, first
D. Outer, last, first, inner
Answer:
A. First, outer, inner, last.
Step-by-step explanation:
Frank in going to plant b vegetables in one garden and 2b+1 vegetables seeds in a another how many seed is frank going to plant
Answer: Frank is going to plant "b" vegetables in one garden and "2b + 1" vegetables in another garden. So, the total number of seeds he is going to plant is b + (2b + 1) = 3b + 1.
Step-by-step explanation:
zach keeps his pet chameleon pinky in a terrarium with the dimensions shown below. there's sand in the bottom of the terrarium that reaches a height of 8 88 centimeters. zach gets a new terrarium for pinky that is larger. the base of the new terrarium is 25 2525 by 64 6464 centimeters. zach moved the existing sand to the new terrarium. how deep will the sand be in the new terrarium?
If Zach moved the existing sand from the old terrarium into the new terrarium , then the sand in the new terrarium will be 5cm deep .
The dimensions of the old terrarium is = 20 by 50 cm ;
The dimensions of the new terrarium is = 25 by 64 cm ;
So , amount of sand that Zach has is = Volume of sand in the old terrarium, that is ( Area of base of the old terrarium) × (height of sand) ;
Volume of Sand = 20 × 50 × 8 = 8000 cm³ ;
When Zach moves the sand to the new terrarium, volume of sand will be same, so we can write the equation ;
⇒ 20 × 50 × 8 = 25 × 64 × h ;
where h is = height of sand in new terrarium.
Now solving for h, we get ;
⇒ h = (20 × 50 × 8 cm)/(25 × 64 )
⇒h = 8000/1600 ;
⇒ h = 5 cm ;
Therefore, the sand will be 5 centimeters deep in the new terrarium.
Learn more about Volume here
https://brainly.com/question/29424737
#SPJ4
The given question is incomplete , the complete question is
Zach keeps his pet chameleon pinky in a terrarium with the dimensions 20 by 50 cm . there's sand in the bottom of the terrarium that reaches a height of 8 88 centimeters.
Zach gets a new terrarium for pinky that is larger. the base of the new terrarium is 25 by 64 centimeters. Zach moved the existing sand to the new terrarium. how deep will the sand be in the new terrarium ?
doughnuts are sold in bags and cartons
a bag holds 4 doughnuts and a carton holds 10 doughnuts
Answer:
Step-by-step explanation:
14 doughnuts in total
if you need 8 coins in 1 box and there are 240 coins how many boxes will you be able to fill
4.if a man has six different sportshirts and four different pairs of slacks, how many different combinations can he wear?
The man can wear 15 different outfit combinations by mixing and matching his six different sport shirts and four different pairs of slacks.
Combination is a way of counting the number of different groups of items that can be selected from a larger set without regard to the order in which they are selected.
In this case, the man has six different sport shirts and four different pairs of slacks, and he wants to know how many different outfit combinations he can wear. We can use the formula for combinations to calculate the number of possibilities.
The formula for combinations is:
ⁿCₓ = n! / (x! * (n - x)!)
Where n is the total number of items, x is the number of items being selected, and the exclamation mark (!) represents the factorial of a number (i.e., the product of all positive integers up to that number).
Using this formula, we can calculate the number of different combinations the man can wear as follows:
Number of sport shirts (n) = 6
Number of slacks (x) = 4
Number of combinations = ⁶C₄ = 6! / (4! * (6 - 4)!)
= (6 * 5 * 4 * 3 * 2 * 1) / [(4 * 3 * 2 * 1) * (2 * 1)]
= 15
To know more about combination here.
https://brainly.com/question/28998705
#SPJ4
Solve for x questions in picture
Answer:
x = 4
Step-by-step explanation:
Move the x to the left-hand side and change its sign
2x - x = 9 - 5
x = 9 - 5
Answer:
x=4
Step-by-step explanation:
Subtract 1x from both sides
Subtract 5 from both sides to isolate the variable
x=4
7. Evaluate the function for x = 2, then evaluate the function for x = 7.
h(x) = −4x + 61 (SHOW YOUR WORK)
The solution of the expression at x = 2 is 53 and at x = 7 is 33.
What is an expression?Expression in maths is defined as the relation of numbers variables and functions by using mathematical signs like addition, subtraction, multiplication, and division.
Given that the expression is h(x) = −4x + 61. The value of the expression at x = 2 and x = -7 will be calculated as:-
At x = 2,
h(x) = −4x + 61
h(2) = -4 x 2 + 61
h(2) = -8 + 61
h(2) = 53
At x =7
h(x) = −4x + 61
h(2) = -4 x 7 + 61
h(2) = -28 + 61
h(2) = 33
Therefore, the values are 53 and 33.
To know more about an expression follow
https://brainly.com/question/12564528
#SPJ9
two cards are selected at random from a deck of 52. what is the probability that one is a spade and the other is a king
The probability that one card is a spade and the other is a king when two cards are drawn at random from a deck of 52 cards is 0.0196.
To calculate the probability that one card is a spade and the other is a king when two cards are drawn at random from a deck of 52 cards, we need to first determine the total number of possible outcomes, which is the number of ways to select two cards from a deck of 52. This can be calculated using the formula for combinations, which is:
nCr = n! / r!(n-r)!
where n is the total number of objects (52 cards in this case), r is the number of objects to be selected (2 cards), and ! denotes the factorial operation.
So, the total number of possible outcomes is:
52C2 = 52! / 2!(52-2)! = 1326
Next, we need to determine the number of favorable outcomes, which is the number of ways to select one spade and one king from the deck. Since there are 13 spades and 4 kings in a deck, there are 13 x 4 = 52 ways to select one spade and one king.
However, we need to divide this number by 2 to avoid double counting the two possible orders (king-spade or spade-king), which gives us 26 favorable outcomes.
P = favorable outcomes / total outcomes = 26 / 1326 = 0.0196 or about 1.96%
So, there is a very low probability of selecting one spade and one king when two cards are drawn at random from a deck of 52 cards.
To learn more about probability click on,
https://brainly.com/question/29084955
#SPJ4
Are both correct? EXPLAIN your reasoning.
We can draw the conclusion that Sadio and Amir's methods for solving the equation are both valid.
What are equations?A mathematical statement that has a "equal to" symbol between two expressions with equal values is called an equation.
As in 3x + 5 Equals 15, for instance.
Equations come in a variety of forms, including linear, quadratic, cubic, and others.
Equation: A declaration that two expressions with variables or integers are equal.
In essence, equations are questions and attempts to systematically identify the solutions to these questions have been the driving forces behind the creation of mathematics.
So, as we have the equation:
12x + 3 = 3(5x + 9)
Now, as we can see, Sadio took out 3 as common from LHS and RHS and solved the equation.
Which gave her the value of x as -8.
Amir, on the other hand, did not take out anything as common and directly multiply 3 with other terms in the brackets to solve the equation.
He also got -8 as the value of x.
Hence, we can conclude that yes both the ways of solving the equation is correct which is done by Sadio and Amir.
Therefore, we can draw the conclusion that Sadio and Amir's methods for solving the equation are both valid.
Know more about equations here:
https://brainly.com/question/2972832
#SPJ1
A gardener made a scale drawing of a lawn with a scale factor of 1:15. The dimensions of his drawing are 6 inches long by 3 inches wide. his partner plans to make another scale drawing of the lawn, but with a scale factor of 1:5. What are the dimensions of his scale drawing?
A. The length is 1 inch and the width is 2 inch
B. The length is 2 inch and the width is 1 inch
C. The length is 9 inch and the width is 18 inch
D. The length is 18 inch and the width is 9 inch
D. The length is 18 inches and the width is 9 inch
What is a scale factor?
A scale factor resembles a unit scale in several ways. It is a ratio that assesses the relationship between scale and real dimensions. Because it doesn't provide any specified units, it differs.
It is given that the scale factor of the gardener is 1:15.
The dimensions of his drawing are 6 inches long by 3 inches wide.
Therefore the original dimensions are 6*15= 90 inches.
3*15= 45 inches.
The scale of his partner is 1:5.
So, we have to divide the original dimensions by 5.
The dimensions of the scale drawing are 90/5= 18 inches long
45/5=9 inches wide.
Therefore length is 18 inches and the width is 9 inches.
To learn more about scale factor, refer to the link below:
brainly.com/question/29967135
#SPJ1
if ∆DEF ~ ∆ABC, AB/AC =2/3 and DF=6cm then find the length of DE
Answer:
4cm
Step-by-step explanation:
∵∆DEF ~ ∆ABC，AB/AC =2/3，
∴DE/DF=2/3.
∵DF=6cm，
∴DE=6*2/3=4cm.
in a class, there are 4 freshman boys, 6 freshman girls, and 6 sophomore boys. how many sophomore girls must be present if sex and class are to be independent when a student is selected at random?
We need 9 sophomore girls to make sex and class independent when a student is selected at random.
No. of freshman boys (fb) = 4
No. of freshman girls (fg) = 6
No. of sophomore boys (sb) = 6
Let, the no. of sophomore girls = sg
The total number of students in the class T = fb + fg + sb +sg
T = 4+6+6+sg
T = 16 + sg
The probability of selecting a girl is P(G) = (fg + sg) / T
= (6+sg)/(16+sg)
The probability of selecting a sophomore is P(S) = (sb + sg)/T
= (6+sg)/(16+sg)
As the events are independent, the probability of selecting a sophomore girl is P(sg) = P(G)*P(S)
sg/(16+sg) = (6+sg)*(6+sg)/(16+sg)(16+sg)
sg(16+sg) = (6+sg)(6+sg)
16sg + [tex]sg^{2}[/tex] = 36 + 6sg + 6sg + [tex]sg^{2}[/tex]
4sg = 36
sg = 9
Learn more about Independent events from the below link:
https://brainly.com/question/1393117
#SPJ4
Solve for n: 4^n+3 x 16^n - 8^3n
The expression 4^n+3 x 16^n - 8^3n cannot be solved for n
How to determine the solution of nfrom the question, we have the following parameters that can be used in our computation:
4^n+3 x 16^n - 8^3n
The question implies that we solve for n
This in other words mean that we determine the solution for n
The given parameter is an expression (not an equation or an inequality)
To solve for a variable, the given parameter must be an equation or an inequality
Hence, the value of n cannot be determined or it has infinite many solutions
Read mroe about expression at
https://brainly.com/question/15775046
#SPJ1
the original price of shoe is 80$. They are on sale 25% off. The sales tax is 6.25%. How much will you pay for the shoes?
Answer: The total amount paid for shoes = $63.75
Step-by-step explanation:
The original price of the shoes = $ 80
Sale Discount = 25 %
So, the discount offered = 25 % of 80 = 20
So, the Discounted Price = Marked price - discount
= $ 80 -$ 20 = $ 60
Now, we need to calculate the sale tax of 6.25 % on $ 60.
Also, we know that Sales Tax = Sales Tax rate x Sale Price
= $ 60 x 0.0625 = $ 3.75
Total Cost = Sale Price + Sales Tax
= $ 60 + $ 3.75 = $63.75
Hence, the total amount paid for shoes = $63.75 included sales tax
Solve four-ninths plus five-eighteenths equals blank.
a 12-ft-by-15-gt rectangular swimming pool has a 3-ft-wide no-slip surface around it. what is the outer preimeter of the no-slip surfaec
If a 12-ft-by-15-gt rectangular swimming pool has a 3-ft-wide no-slip surface around it. The outer perimeter of the no-slip surface around the rectangular swimming pool is 78 feet.
The key idea in this problem is to recognize that the no-slip surface around the pool consists of a rectangular strip of uniform width that runs parallel to the edges of the pool. To find the outer perimeter of this strip, we need to add up the lengths of all four sides of the rectangle formed by the outermost edges of the no-slip surface.
Let's start by finding the length of the no-slip surface that runs along the length of the pool. Since the pool is 12 feet long and the no-slip surface extends 3 feet beyond each end of the pool, the total length of the no-slip surface is:
12 + 2(3) = 18 feet
The "2(3)" term in this equation represents the 3-foot-wide extension on each end of the pool. Next, we need to find the length of the no-slip surface that runs along the width of the pool. Since the pool is 15 feet wide and the no-slip surface extends 3 feet beyond each side of the pool, the total width of the no-slip surface is:
15 + 2(3) = 21 feet
Now we have the lengths of the two parallel sides of the rectangle formed by the outermost edges of the no-slip surface. To find the lengths of the other two sides, we simply add up the lengths of the corresponding sides of the pool.
Therefore, the length of the rectangle is 12 + 2(3) = 18 feet, and the width of the rectangle is 15 + 2(3) = 21 feet.
Finally, we can add up the lengths of all four sides of the rectangle to find the outer perimeter of the no-slip surface:
2(18) + 2(21) = 36 + 42 = 78 feet.
To learn more about perimeter click on,
https://brainly.com/question/28944979
#SPJ4
Determine the correct answer using pi = 3.14 and rounding to the
nearest thousandth if necessary.
Find the surface area of a pyramid with a height of 9.8 meters,
slant height of 10.34 meters, and a square base with a width of
6.7 meters.
at a fixed operating setting, the pressure in a line downstream of a reciprocating compressos os known to maintain a mean value of 12.0 bar with a standard deviation of 1.0 bar based on its history. what is the probability that the line presure will exceed 13.0 bar during any measurement
The probability that the line pressure will surpass 13.0 bars during any measurement is P [Z > 13] = 0,1587, or 15.87%.
If the line pressure exceeds 13.0 bars, there is a chance that:
P [ Z > 13 ] = 1 - P [ Z ≤ 13]
P [Z 13] will be located in the z table when z (score) =
Z (score) equals (Z - 0) /
Z = (13 - 12)/1 (score).
the z-table, we then discover
P [ Z ≤ 13] = 0,8413
Finally . P [ Z > 13 ] = 1 - P [ Z ≤ 13]
P [ Z > 13 ] = 1 - 0,8413
P [Z > 13] = 0,1587, which is equal to 15,87%.One of the areas of probability theory is the estimation of the chance of experiments occurring. Using a probability, we can calculate everything from the likelihood of getting heads or tails when flipping a coin to the likelihood of making a research error, for example. It is essential to appreciate the most basic definitions of this branch, such as the formula for computing probabilities in equiprovable sample spaces, the likelihood of two events joining together, the probability of the complementary event, etc., in order to properly understand it.
Learn more about probability from
brainly.com/question/13604758
#SPJ4
pins each cost £1.10
1000 pins are sold
35% of the pins are donated to charity
the rest are sold: 60% are sold for £3
40% are sold are sold £5 for 2
work out the percentage profit the company should make
The profit is £1,370. Then the percentage profit of the company will be 124.54%.
What is a profit?A monetary profit, particularly the distinction between the amount gained and the actual cost of purchasing, running, or creating anything.
The profit is given as,
Profit = Selling price - Cost price
The number of pins left after the donation to charity is given as,
⇒ (1 - 0.35) x 1,000
⇒ 0.65 x 1,000
⇒ 650 pins
The selling price when 60% are sold for £3 and 40% are sold for £5 is given as,
Selling price = 0.60 x 650 x £3 + 0.40 x 650 x £5
Selling price = £1,170 + £1,300
Selling price = £2,470
The cost price is given as,
Cost price = £1.10 x 1,000
Cost price = £1,100
The profit is given as,
P = £2,470 - £1,100
P = £1,370
Then the percent of profit is given as,
P = [(£1,370) / £1,100] x 100
P = 124.54%
The profit is £1,370. Then the percentage profit of the company will be 124.54%.
More about the profit is given below.
https://brainly.com/question/15036999
#SPJ9
-4x+4y=-4 & 4x-24y=-16
Answer:
Hello if you are solving for x the for the equation -4x+4y=-4
your answer is x=y+1
Step-by-step explanation:
4y -4x= -4
subtract 4y from both sides
-4x = -4y- 4
divide both sides by -4
x= y+1
I HOPE THIS HELPS!
DUE FRIDAY NEED HELP NOW!!!
Let P, Q, R, and S be the midpoints of sides AB, BC, CD, and DA, respectively. Use a ruler to locate these points as precisely as you can, and join them to form a new quadrilateral PQRS. What do you notice about the quadrilateral PQRS?
ABCD is a rectangle, and P, Q, R, and S are mid points of the sides AB, BC, CD, and DA, respectively. show that the quadrilateral PQRS is a rhombus
