Home-Style Cookies tracks monthly sales by type of cookie, see the following table. Month Chocolate Chip (000 units) Peanut Butter (000 units) Filled (000 units) Feb. 19 15 10 Mar. 18 14 9 Apr. 15 11 8 May 20 16 11 Jun. 18 14 10 Jul. 22 18 12 Aug. 20 16 10 Sep.       Create a line chart in Excel showing monthly sales by type of cookies (each type will have its own line); then, forecast September sales volume for chocolate chip cookies using each of the following: the naïve approach; a 5-month moving average; a weighted average using .60 for August, .30 for July, and .10 for June; and a linear trend equation.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.6: Moving Averages Models
Problem 20P: The file P13_20.xlsx contains the monthly sales of iPod cases at an electronics store for a two-year...
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Home-Style Cookies tracks monthly sales by type of cookie, see the following table.

Month

Chocolate Chip

(000 units)

Peanut Butter

(000 units)

Filled

(000 units)

Feb.

19

15

10

Mar.

18

14

9

Apr.

15

11

8

May

20

16

11

Jun.

18

14

10

Jul.

22

18

12

Aug.

20

16

10

Sep.

     

Create a line chart in Excel showing monthly sales by type of cookies (each type will have its own line); then, forecast September sales volume for chocolate chip cookies using each of the following: the naïve approach; a 5-month moving average; a weighted average using .60 for August, .30 for July, and .10 for June; and a linear trend equation.

 

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Please explain (show the work) how to enter the information in EXCEL to create the chart and please answer this last question: Of the naïve approach, 5-month moving average; a weighted average, which method seems most appropriate and least appropriate? Thank you so much!

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ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,