As part of a marketing study of beer X, 10 bars of similar size are chosen across
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As part of a marketing study of beer X, 10 bars of similar size are chosen across the United States. The sales for each bar are recorded for the week before the ad campaign, and the week immediately after completion of the campaign. Perform a Wilcoxon sign-rank test to determine at 10% significance if the ad campaign increased sales. Also, state what assumptions are required for this test.
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Step by Step Answer:
To perform a Wilcoxon signedrank test you can follow these steps Step 1 Calculate the differences be...View the full answer
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Related Book For 
Principles Of Managerial Statistics And Data Science
ISBN: 9781119486411
1st Edition
Authors: Roberto Rivera
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