Construct the four quarter centered moving average

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Reference no: EM131409697

International Dairy Queen, Inc., a firm whose business is highly seasonal, has reported the following quarterly net income figures for 1991 through 1995.

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a. Construct the four-quarter centered moving average for these data and determine the percentages of the moving average for the quarters.

b. Determine the seasonal indexes for the quarters.

c. Use the seasonal indexes to deseasonalize the original time series.

Reference no: EM131409697

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