1.The parameter(s) for the chi-square distribution is/are (check all that apply):

A.proportion

B.mean

C.degrees of freedom

D.sample size

E.standard deviation

2.As the degrees of freedom increases, the variability of the chi-square distribution

A. Increases

B. Decreases

C. Stays the same

3.When finding the p-value of a chi-square test of independence we____________shade just the area in the upper tail.

A. Sometimes

B. Always

C. Never