From candy to jewelry to flowers, the average consumer was expected to spend $123.89 for Mothers Day

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From candy to jewelry to flowers, the average consumer was expected to spend $123.89 for Mother’s Day 2009, according to an April 2009 National Retail Federation’s survey. Local merchants felt this average was too high for their area and contracted an agency to conduct a study. A random sample of 60 consumers was taken at a local shopping mall the Saturday before Mother’s Day and produced a sample mean amount of $106.27. If σ = $39.50 does the sample provide sufficient evidence to support the merchants’ claim at the 0.05 level of significance?
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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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