Using the least-squares regression method

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Reference no: EM132289201

Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be related to the number of television appearances by the popular group Maroon 5 during the previous month. Gershon has collected the data shown in the following table:

Maroon 5 TV Appearances 4 4 6 6 9 6

Demand for Guitars 4 5 8 4 10 6

This exercise contains only parts b, c, and d.

b) Using the least-squares regression method, the equation for forecasting is (round your responses to four decimal places): Y = nothing + nothingx ?

c) The estimate for guitar sales if Maroon 5 performed on TV 99 times = nothing sales (round your response to two decimal places).

d) The correlation coefficient (r) for this model = nothing (round your response to four decimal? places). The coefficient of determination (r squaredr2) for this model = nothing (round your response to four decimal places).

The percentage of variation in sales that can be explained by TV appearances = nothing% (round your response to two decimal places).

Reference no: EM132289201

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