part D <Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be related to thenumber of television appearances by the popular group Maroon 5 during the previous month. Gershon has collected thedata shown in the following table:Maroon 5 TV AppearancesDemand for Guitars4 3 8 72 6 6 47 59 6Y = 3.1552 + 0.4138 xDThis 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 decimalplaces):c) The estimate for guitar sales if Maroon 5 performed on TV 9 times = 6.88 sales (round your response to two decimalplaces).d) The correlation coefficient (r) for this model = (round your response to four decimal places).ncorrect:

Answered: Image /qna-images/answer/df49cefb-259e-4158-859b-a480f76db9d4.jpg

b) Using the least-squares regression method, the equation for forecasting is (round your responses to four decimal places): Y = 3.1552 + 0.4138 x c) The estimate for guitar sales if Maroon 5 performed on TV 9 times = 6.88 sales (round your response to two decimal places). d) The correlation coefficient (r) for this model = (round your response to four decimal places).

b) Using the least-squares regression method, the equation for forecasting is (round your responses to four decimal places): Y = 3.1552 + 0.4138 x c) The estimate for guitar sales if Maroon 5 performed on TV 9 times = 6.88 sales (round your response to two decimal places). d) The correlation coefficient (r) for this model = (round your response to four decimal places).

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question

part D

<
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
Demand for Guitars
4 3 8 7
2 6 6 4
7 5
9 6
Y = 3.1552 + 0.4138 x
D
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):
c) The estimate for guitar sales if Maroon 5 performed on TV 9 times = 6.88 sales (round your response to two decimal
places).
d) The correlation coefficient (r) for this model = (round your response to four decimal places).
ncorrect:

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