corporate triple-a bond interest rates for 12 consecutive months follow.9.5 9.3 9.4 9.6 9.8 9.7 9.8 10.5 9.9 9.7 9.6 9.6a. construct a time series plot. What type of pattern exists in the data?b. develop three-month and four-month moving averages for this time series. does thethree-month or four-month moving average provide more accurate forecasts basedon MSe? explain.c. What is the moving average forecast for the next month?

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