Author Question: Which of the following statements is true for chi-squared tests? a. Testing for equal proportions ... (Read 72 times)

waynest · **on:** Jun 24, 2018

Which of the following statements is true for chi-squared tests?
a. Testing for equal proportions is identical to testing for goodness-of-fit.
b. The number of degrees of freedom in a test of a contingency table with r rows and c columns is (r - 1)(c - 1).
c. The number of degrees of freedom in a goodness-of-fit test with k categories is k - 1.
d. All of these choices are true.

Question 2

Formulas for confidence intervals and test statistics all come from ___________________ _ distributions.
Fill in the blank(s) with correct word