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4. Here is the sales and profit data for a sporting goods company with 12 stores. Use the data to answer the regression problem #4.

4. Here is the sales and profit data for a sporting goods company with 12 stores. Use the data to answer the regression problem #4.

Sales in $ millions Profits in $ millions
7 .15
2 .10
6 .13
4 .15
14 .25
15 .27
16 .24
12 .20
14 .27
20 .44
15 .34
7 .17

  1. What is the r value?
  2. Do you consider the correlation strong?
  3. What is the expected profit when sales are $10 million?

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