A Gallup poll headline from April 25, 2013, reads "In U.S., Women Veterans Rate Lives Better Than Men". In a random sample of 900 female veterans interviewed, 459 rated their lives as "thriving." Only 693 male veterans rated their lives as "thriving" in a random sample of size 1,650. What is the null hypothesis if researchers are interested in determining if the long-run proportion who would rate their lives as thriving differs between women and men?

Question

Quizplus · Accepted Answer

The null hypothesis states that there is no association or difference between the groups being compared, in this case, sex and the likelihood of rating their life as thriving.

A Gallup Poll Headline from April 25, 2013, Reads "In