What significance test would you use and why

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Reference no: EM13714200

The table shows restaurant customers' spending on food and drinks 1Q The plot below shows restaurant customers' spending on food an drinks

2 9

4 0 1 2 3 8 9

5 1 1 1 2 3 4 4 5 6 7 8 9 9 9

6 1 2 2 3 4 4 5 6 7 7

7 0 0 2 3 3 4 5 6 9

8 0 1 7 8 9

9 5 6

10 0

12 2

Key 2 9=$29

What specific patterns in the Data does reveal?

2Q Suppose you are a gym owner and you want to know if the average spent in the gym varies according to client's agents age. You classify your clients into three groups : less than 30, 30, and 50. What significance test would you use, and why?

3Q Assume you work in a marketing department of high-end department store. You sent out "Thank You" cards with a short customer satisfaction one week after purchase. You wonder if survey responses rates would increase significantly from your current rate of 14% if you change the time you send out your surveys. You take a random sample of 100 customers and send out the survey one day after the purchase. You found out that the new survey response rate is 17%.

State the null and alternative hypothesis. Be specific as possible

Reference no: EM13714200

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