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Question
Wendy, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (in $1,000) are shown below.| Store 1 | Store 2 | Store 3 |
| 93 | 76 | 85 |
| 85 | 74 | 67 |
| 88 | 60 | 64 |
| 82 | 70 | |
| 92 |
a. Compute the overall sample mean
.b. At 95% confidence, test to see if there is a significant difference in the average sales of the three stores. Note that the sample sizes are not equal. Show your complete work and the ANOVA table.
Answer
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