Confidence Intervals for Means 3) “Executives Whose Wives Stay at Home Earn More” was the headline for an article that appeared in the San Luis…

Confidence Intervals for Means 

3) “Executives Whose Wives Stay at Home Earn More” was the headline for an article that appeared in the San Luis Obispo Telegram-Tribune (Oct. 14, 1994). To support this claim, the article presented data from a random sample of 231 married men who received MBA degrees in the late 1970s. The data are: