For each study design below, choose whether it is a one sample T, an independent T, or a repeated measures T. (1 point each)

a.The average GPA for incoming first year students at UML is computed and compared to the national average GPA for first year students throughout the country.

b.A gym class takes a fitness test and then after 10 weeks of training takes another fitness test and the before and after scores are compared.

c.The average test scores for a class of students taking Research One with one professor are compared with scores from a different class of students taking research one with another professor.

d.What is the denominator for the repeated measures T test?

2.What is the alternate hypothesis for the related measures T test?

3.The following data were obtained from a repeated-measures research study. What is the value of M_D for these data?

subject 1st 2nd

1 7 8

2 4 5

3 5 7

4 9 12

4.Describe the steps for calculating the above M_D