Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be related to
Question:
a) Graph these data to see whether a linear equation might describe the relationship between the groups television shows and guitar sales.
b) Use the least- squares regression method to derive a forecasting equation.
c) What is your estimate for guitar sales if Maroon 5 performed on TV nine times last month?
d) What are the correlation coefficient (r) and the coefficient of determination (r2) for this model, and what do theymean?
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