A company has test-marketed three new types of soup in selected stores over a period of 1
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A company has test-marketed three new types of soup in selected stores over a period of 1 year. The following table records sales achieved (in thousands of dollars) for each of the three soups in each quarter of the year.
Soup Quarter A B C 1 47 57 65 2 63 63 76 3 79 67 54 4 52 50 49
a. Prepare the two-way analysis of variance table.
b. Test the null hypothesis that population mean sales are the same for all three types of soup.
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Related Book For
Statistics For Business And Economics
ISBN: 9781292436845
10th Global Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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