1. The chi-square statistic is based on __________. a. expected frequencies divided by the degrees of freedom b. the difference between the observed and expected frequencies c. the difference between...

1. The chi-square statistic is based on __________.

a. expected frequencies divided by the degrees of freedom

b. the difference between the observed and expected frequencies

c. the difference between the means of the two variables

2. Expected frequencies are the frequencies we would expect if __________.

a. the null hypothesis is true

b. the null hypothesis is false

c. the alternative hypothesis is true

d. both (b) and (c)