The Monthly Market Shares of General Electric Company for 12

question 47

Essay

The monthly market shares of General Electric Company for 12 consecutive months follow.
21.51, 22.43, 23.02, 23.03, 22.1, 23.37, 23.21, 24.6, 23.31, 23.94, 26.05, 26.65 a. 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 the three-month or the four-month moving average provide the better forecasts based on MSE? Explain.
c. What is the moving average forecast for the next month?

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Definitions:

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Analytics-based sales approach in which a company numerically rates its best prospective customers.