1. The quarterly sales data (number of copies sold) for a college textbook over the past 3 years are as follows in the Table below: QUARTERLY SALES Year 1 Quarter Year 2 Year 3 1 16 18 18 9. 9. 11 3 26 29 29 4 25 23 26 a) Compute seasonal indexes for the 4 quarters. b) When does the textbook publisher experience the largest change in sales? Does this result appear to be reasonable? Explain. c) Using the information on seasonality, compare a 4-quarter moving average to trend projection model and an exponential smoothing with a smoothing constant of 0.2. d) Use the selected model to generate a forecast for sales for the first quarter of Year 4

1. The quarterly sales data (number of copies sold) for a college textbook over the past 3 years are as follows in the Table below: QUARTERLY SALES Year 1 Quarter Year 2 Year 3 1 16 18 18 9. 9. 11 3 26 29 29 4 25 23 26 a) Compute seasonal indexes for the 4 quarters. b) When does the textbook publisher experience the largest change in sales? Does this result appear to be reasonable? Explain. c) Using the information on seasonality, compare a 4-quarter moving average to trend projection model and an exponential smoothing with a smoothing constant of 0.2. d) Use the selected model to generate a forecast for sales for the first quarter of Year 4

Name: Showing by using excel format, please solve the following: 1. The qua
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Description: Showing by using excel format, please solve the following: 1. The quarterly sales data (number of copies sold) for a college textbook over thepast 3 years are as follows in the Table below:QUARTERLY SALESYear 1QuarterYear 2Year 31618189.9.1132629292

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 31PPS

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