=+Test the hypothesis that the mean is $24.85 (as it was before the redesign) against the alternative
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=+Test the hypothesis that the mean is $24.85 (as it was before the redesign) against the alternative that it has increased.
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Related Book For
Business Statistics Plus Pearson Mylab Statistics With Pearson Etext
ISBN: 978-1292243726
3rd Edition
Authors: Norean R Sharpe ,Richard D De Veaux ,Paul Velleman
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