12. A 2 goodness-of-fit test is so named because it a) Tests whether observed frequencies are a good fit to the experimenters CV b) Tests

12. A χ2 goodness-of-fit test is so named because it

a) Tests whether observed frequencies are a good fit to the experimenter’s CV

b) Tests whether the observed frequencies are a good fit to the specified expected frequencies

c) Tests whether the experimenter’s cardigan is the right size

d) Tests whether the sample size is big enough to test the hypothesis