Question
The below table shows the sales in each quarter. Quarter Sales (thousands) March 2016 175,572 June 2016 181,119 September 2016 185,345 December 2016 195,724 March
The below table shows the sales in each quarter.
Quarter
Sales (thousands)
March 2016
175,572
June 2016
181,119
September 2016
185,345
December 2016
195,724
March 2017
186,434
June 2017
191,547
September 2017
196,142
December 2017
205,567
March 2018
196,002
June 2018
201,425
September 2018
206,861
December 2018
216,642
Required:
Calculate the centred four year moving average for sales data and explain the relationship between the year and the level of sales.
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1st Edition
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