Question

A. The number that divides a distribution in half (the middle most number) is referred to as the:

Group of answer choices

mode

median

mean

standard deviation

B. The arithmetic average of a distribution, determined by adding up all of the scores then dividing by the total number of scores, is referred to as the:

Group of answer choices

standard deviation

mode

mean

median

C. What type of sampling is being employed if an elementary school teacher has the students count off and every 4^th member of the class is chosen for a certain reading group?

Group of answer choices

cluster sampling

stratified sampling

systematic sampling

random sampling

D. The resultant (outcome) variable in an experimental study is referred to as the ____ variable.

Group of answer choices

none of the above

confounding

dependent

independent

Answer 1

A. The number that divides a distribution in half (the middle most number) is referred to as the:

Answer)

Median is the middlemost data point

So answer is median

B. The arithmetic average of a distribution, determined by adding up all of the scores then dividing by the total number of scores, is referred to as the:

Answer)

Mean = (sum of the observations)/(number of observations)

Answer is mean

C)

In systematic sampling every kth individual is picked up and sampled

So answer here is systematic

D)

The resultant variable is dependent variable