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Assignment Help Basic Statistics

Reference no: EM13110533

Shank's, Inc., a nationwide advertising firm, wants to know whether the size of an advertisement and the color of the advertisement make a difference in the response of magazine readers. A random sample of readers is shown ads of four different colors and three different sizes. Each reader is asked to give the particular combination of size and color a rating between 1 and 10. Assume that the ratings are approximately normally distributed. The rating for each combination is shown in the table following (for example, the rating for a small red ad is 2). Is there a difference in the effectiveness of an advertisement by color and by size? Use the 0.05 level of significance.

Color of Ad

Size of Ad

Red Blue Orange Green

Small 2 3 3 6

Medium 3 5 6 7

Large 6 7 8 8

Reference no: EM13110533

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