Consider the following time series data. Quarter Year 1 Year 2 Year 3 1 4 6 7 2 2 3 6 3 3 5 6 4 5 7 8 a. Construct a time series plot. What type of pattern exists in the data? b. Show the four-quarter and centered moving average values for this time series. c. Compute seasonal indexes and adjusted seasonal indexes for the four quarters.

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A: IN THE ABOVE GIVEN PROBLEM WE HAVE TO CALCULATE THE 5 YEAR WEIGHTED MOVING AVERAGES

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