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(b) The sales for soca CDs at a music store follows a seasonal pattern with a trend. The following deseasonalised data is to be used: Year 2010 Quarter 2 26 Quarter 1 Quarter 3 Quarter 4 24 26 28 2011 29 28 30 33 The seasonality indices (calculated over many years' data) are given to be: Quarter 1 1.5 Quarter 2 0.9

(b) The sales for soca CDs at a music store follows a seasonal pattern with a trend. The following deseasonalised data is to be used: Year 2010 Quarter 2 26 Quarter 1 Quarter 3 Quarter 4 24 26 28 2011 29 28 30 33 The seasonality indices (calculated over many years' data) are given to be: Quarter 1 1.5 Quarter 2 0.9

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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(b) The sales for soca CDs at a music store follows a seasonal pattern with a trend. The following deseasonalised data is to be used: Year Quarter 1 Quarter 2 26 Quarter 3 26 Quarter 4 2010 24 28 2011 29 28 30 33 The seasonality indices (calculated over many years' data) are given to be: Quarter 1 1.5 Quarter 2 0.9 Quarter 3 0.7 Quarter 4 X Using the Decomposition Method, predict the sales figures for the four quarters of 2012. Show all working. (step by step)
Transcribed Image Text:(b) The sales for soca CDs at a music store follows a seasonal pattern with a trend. The following deseasonalised data is to be used: Year Quarter 1 Quarter 2 26 Quarter 3 26 Quarter 4 2010 24 28 2011 29 28 30 33 The seasonality indices (calculated over many years' data) are given to be: Quarter 1 1.5 Quarter 2 0.9 Quarter 3 0.7 Quarter 4 X Using the Decomposition Method, predict the sales figures for the four quarters of 2012. Show all working. (step by step)
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