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: D Maroon 5 TV Appearances Demand for Guitars This exercise contains only parts b, c, and d. b) Using the least-squares regression method, the equation for forecasting (round your responses to four decimal places): c) The estimate for guitar sales if Maroon 5 performed on TV 9 times d) The correlation coefficient (r) for this model= (round your response to four decimal places). The coefficient of determination (2) for this model =(round your response to four decimal places). The percentage of variation. sales that can be explained by TV appearances =% (round your response to two decimal places). sales (round your response to two decimal places). y=0.0x 4 2 587 6 7 6 8 10 7
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: D Maroon 5 TV Appearances Demand for Guitars This exercise contains only parts b, c, and d. b) Using the least-squares regression method, the equation for forecasting (round your responses to four decimal places): c) The estimate for guitar sales if Maroon 5 performed on TV 9 times d) The correlation coefficient (r) for this model= (round your response to four decimal places). The coefficient of determination (2) for this model =(round your response to four decimal places). The percentage of variation. sales that can be explained by TV appearances =% (round your response to two decimal places). sales (round your response to two decimal places). y=0.0x 4 2 587 6 7 6 8 10 7
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text: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
7 8 7
7
This exercise contains only parts b, c, and d.
b) Using the least-squares regression method, the equation for forecasting (round your responses to four decimal places):
c) The estimate for guitar sales if Maroon 5 performed on TV 9 times= sales (round your response to two decimal places).
d) The correlation coefficient (r) for this model= (round your response to four decimal places).
The coefficient of determination (2) for this model = (round your response four decimal places).
The percentage of variation sales that can be explained by TV appearances =% (round your response to two decimal places).
Y=+Ox
4
5
6
8
7 6 10
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