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A consumer organization wants to know whether there is a difference in the price of a particular toy at three different types of stores.The price of the toy was checked in a sample of five discount stores, five variety stores, and five department stores. The results are shown below. Use the .05 significance level.

Discount Variety Department
$12 $15 $19

13 17 17

14 14 16

12 18 20

15 17 19

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