Question: part b - using the central moving average method Problem 12, page 552 The fictitious Haskin & Collins Ice Cream Store needs an accurate estimate

part b - using the central moving average method

Problem 12, page 552 The fictitious Haskin & Collins Ice Cream Store needs an accurate estimate of demand. The owner of the store believes that the demand for ice cream has a quarterly seasonal pattern. To analyze the pattern, the owner gathered the following quarterly ice cream sales data in gallons for the past 4 years: Quarter Year 2 3 4 January-March 370 380 470530 April-June 550 500 620 700 July-September 770 820 980 990 October- December 420 440 510 530 Given this information: a. Compute the quarterly seasonal indices for ice cream sales using the simple average method. b. Compute the quarterly seasonal indices for ice cream sales using the centered moying ayeraye method

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