Samples taken in three cities, Anchorage, Atlanta, and Minneapolis, were used to learn about the proportion of
Question:
Samples taken in three cities, Anchorage, Atlanta, and Minneapolis, were used to learn
about the proportion of married couples where both husband and wife are in the workforce (USA Today, January 15, 2006).
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a. Conduct a hypothesis test to determine if the population proportion of married couples with both husband and wife in the workforce is the same for the three cities. Using a .05 level of significance, what is the p-value and what is your conclusion?
b. Using these three samples, what is an estimate of the proportion of married couples with both husband and wife in the workforce?
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a H 0 H a Not all population proportions are equal Observed Frequency f ij Work Anchora...View the full answer
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Related Book For 
Statistics For Business & Economics
ISBN: 9781285846323
12th Edition
Authors: David Anderson, Dennis Sweeney, Thomas Williams, Jeffrey Camm, James Cochran
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