If we wanted to conduct a one-tailed test of a population proportion, which of the following tests could we employ?
A) z test of a population proportion
B) the chi-square goodness-of-fit test since
C) the chi-square test of independence

Question

Quizplus · Accepted Answer

The z test of a population proportion can be used for a one-tailed test because it involves comparing the sample proportion to a hypothesized population proportion in only one direction. The chi-square tests (both goodness-of-fit and independence) are used for testing relationships between categorical variables and do not involve a population proportion.

If We Wanted to Conduct a One-Tailed Test of a Population