Advanced Placement (AP) College

An Atlanta school district wants to compare the effectiveness of a standard AP Statistics curriculum and a new "hands-on AP Statistics curriculum. Two
experienced teachers, Mrs. Davis and Mr. Cohen, each teach one class with the standard curriculum and one with the new approach. Students are
assigned at random to these four classes. At the end of the year, all students take the AP Statistics exam. Which of the following are the experimental units
in this experiment?

Answers

Answer 1

In every experiment, there are experimental unit. The experimental units  in this experiment is the students in the four classes.

The experimental unit is referred to as the person, animal, or object that is the subject of the experiment.

The  Experimental units is known to often receive different treatments from one another in an experiment.

The experimental method used often has a lot of manipulation of variables so as to establish cause and effect relationships.  The unit is the object to which the treatment is randomly given to. If the experimental units are human beings, they are referred to as subjects.

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