Male Head of Household Arecent survey of 200 households
Chapter 9, Problem 23(choose chapter or problem)
Male Head of Household Arecent survey of 200 households showed that 8 had a single male as the head of household. Forty years ago, a survey of 200 households showed that 6 had a single male as the head of household. At a _ 0.05, can it be concluded that the proportion has changed? Find the 95% confidence interval of the difference of the two proportions. Does the confidence interval contain 0? Why is this important to know? Source: Based on data from the U.S. Census Bureau.
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