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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Statistics For Business And Economics

ISBN: 9781292436845

10th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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