1.A consumer organization wants to know if 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 toy stores, five variety stores, and five department stores. The results are shown below.
Discount toy | Variety | Department |
$12 | 15 | 19 |
13 | 17 | 17 |
14 | 14 | 16 |
12 | 18 | 20 |
15 | 17 | 19 |
An ANOVA was run and the results are shown below. At the .05 significance level, is there a difference in the mean prices between the three stores? What is the p-value? Explain why an ANOVA was used to analyze this problem.