The rejection zone for a x test:

a. is always located on the right side of the distribution

b. depends on what hypotheses are being tested

c. is always located on the left side of the distribution

d. is always located on both tails of the distribution

A significant X2 for independence test means that

a. two variables are moving in the same direction

b. we can use variable x to predict variable

c. two variables are not independent

d. two variables have different means

the expected frequency is calculated for each _______in a chi-square test

a. row total

b. cell

c. sample size

d. column total

The small and insignificant X2 for the goodness-of-fit test means that the observed frequencies

a. can be used to predict the expected frequencies

b. are the smaller than the expected frequencies

c. are larger than the expected frequencies

d. fit the expected frequencies well

the calculated chi-square values are always

a. greater than 5

b. negative

c. zero

d. positive