45. you are testing the hypothesis that the average salary of college graduates 1 year out of college is related to the graduates' genders in the graduates' fields of study. what is the appropriate analytic techniques for this study?

a two-sample test

b. analysis of variance

c. chi-square goodness of it

d. chi-square test of independence

46.you are testing the hypothesis that the GPA differs between college athelets and non-athelets. what is the appropriate analytic techniques for this study?

a two-sample test

b. pearson correlation coefficient

c. chi-square goodness of it

d. chi-square test of independence

47.in a correlational study, we seek to determine

a. if the independent variable causes an outcome in the dependent variable

b. which variable is the cause and which variable is the effect

c. the direction of causation

d. how well one variable predicts another variable.

51. relationship between the screening test and GPA?

a. positive

b. negative

c. curvilinear

d. perfect

52. which os these correlations is the strongest

a -.75

b. 0.0

c. +.5

d.+0.67