1. Using the data in Problem 4-10, test to see if there is a
statistically significant relationship between sales and YouTube views at the
0.05 level of significance. Use the formulas in this chapter and Appendix D.
2. Using computer software, find the least-squares
regression line for the data in Problem 4-10. Based on the F test, is there a
statistically significant relationship between the demand for guitars and the
number of YouTube views?
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