For Exercises use the traditional method of hypothesis testing unless otherwise specified. Assume the assumptions have been
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For Exercises use the traditional method of hypothesis testing unless otherwise specified. Assume the assumptions have been met.
A consumer group desired to compare the mean price for 12-ounce bottles of liquid body soap from two nationwide brands and one store brand. Four different bottles of each were randomly selected at a large discount drug store, and the prices are noted. At the 0.05 level of significance, is there sufficient evidence to conclude a difference in mean prices? If so, perform the appropriate test to find out where.
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Solution The evidence would be sufficient assuming equal standard deviations T...View the full answer
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Related Book For 
Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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