Answered: Question (4): Answer the following…

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 (4): Answer the following problem:

Cover Me, Inc. sells umbrellas in two cities. Management assumes that annual rainfall is the primary determinant of umbrella sales, and it wants to generate a linear regression equation to estimate potential sales in another city. Use the table below to develop a linear regression equation to find out what sales might be if the rainfall is 12 inches in City C.

Show your work in the below table

	Rainfall X	Sales Y	X2	XY
City A	36 inches	200
City B	30 inches	250
City C	12 inches
Total	66	450

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