Question
6. A recent survey of 200 households showed that 15 had a single female as the head of household. Forty years ago, a survey of
6. A recent survey of 200 households showed that 15 had a single female as the head of household. Forty years ago, a survey of 200 households showed that 8 had a single female as the head of household. At=.05
=.05, can it be concluded that the proportion has changed?
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Calculus
Authors: Laura Taalman, Peter Kohn
1st Edition
1464153035, 9781464153037
