After graduation, you take a position at Top-Slice, a well-known manufacturer of golf balls. One of your duties is to forecast monthly demand for golf balls. Using the following data, you developed a regression model that expresses monthly sales as a function of average temperature for the month: Click the icon to view the additional data. a. Show how the â and ɓ values of - 337.0 and 88.9 were calculated. Calculate the slope coefficient, ɓ (enter your responses as whole numbers). (755)(63110) 4252000 Б 12 = 88.9 (755) 50665 12 Monthly sales - 337.0+88.9 × (average temperature) Calculate the intercept term, â (enter your responses rounded to one decimal place). â= 5259.2 -88.9 × 62.92 = - 337.0 b. Use the regression forecasting model to forecast total golf ball sales for June and July 2018. Average temperatures are expected to be 73 degrees in June and 82 degrees in July. The forecast of total golf ball sales for June 2018 is (Enter your response rounded to the nearest whole number.) More Info Monthly Sales Temperature March 2017 5,300 59 April 5,240 61 May 6,280 68 June 7,130 78 July 7,490 80 August 6,310 86 September 6,790 77 October 4,870 72 November 4,300 56 December 4,270 46 January 2018 February 2,940 35 2,190 37 Print Done - X

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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After graduation, you take a position at Top-Slice, a well-known manufacturer of golf balls. One of your duties is to
forecast monthly demand for golf balls. Using the following data, you developed a regression model that expresses
monthly sales as a function of average temperature for the month:
Click the icon to view the additional data.
a. Show how the â and ɓ values of - 337.0 and 88.9 were calculated.
Calculate the slope coefficient, ɓ (enter your responses as whole numbers).
(755)(63110)
4252000
Б
12
= 88.9
(755)
50665
12
Monthly sales - 337.0+88.9 × (average temperature)
Calculate the intercept term, â (enter your responses rounded to one decimal place).
â= 5259.2 -88.9 × 62.92 = - 337.0
b. Use the regression forecasting model to forecast total golf ball sales for June and July 2018. Average temperatures are expected to be 73 degrees in June and 82 degrees in July.
The forecast of total golf ball sales for June 2018 is (Enter your response rounded to the nearest whole number.)
More Info
Monthly Sales
Temperature
March 2017
5,300
59
April
5,240
61
May
6,280
68
June
7,130
78
July
7,490
80
August
6,310
86
September
6,790
77
October
4,870
72
November
4,300
56
December
4,270
46
January 2018
February
2,940
35
2,190
37
Print
Done
- X
Transcribed Image Text:After graduation, you take a position at Top-Slice, a well-known manufacturer of golf balls. One of your duties is to forecast monthly demand for golf balls. Using the following data, you developed a regression model that expresses monthly sales as a function of average temperature for the month: Click the icon to view the additional data. a. Show how the â and ɓ values of - 337.0 and 88.9 were calculated. Calculate the slope coefficient, ɓ (enter your responses as whole numbers). (755)(63110) 4252000 Б 12 = 88.9 (755) 50665 12 Monthly sales - 337.0+88.9 × (average temperature) Calculate the intercept term, â (enter your responses rounded to one decimal place). â= 5259.2 -88.9 × 62.92 = - 337.0 b. Use the regression forecasting model to forecast total golf ball sales for June and July 2018. Average temperatures are expected to be 73 degrees in June and 82 degrees in July. The forecast of total golf ball sales for June 2018 is (Enter your response rounded to the nearest whole number.) More Info Monthly Sales Temperature March 2017 5,300 59 April 5,240 61 May 6,280 68 June 7,130 78 July 7,490 80 August 6,310 86 September 6,790 77 October 4,870 72 November 4,300 56 December 4,270 46 January 2018 February 2,940 35 2,190 37 Print Done - X
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