Question: PLEASE SHOW ALL WORK AND THE EXCEL FORMULAS YOU USED! Consider the following time series data: Month 1 2 3 4 5 6 7 Value

PLEASE SHOW ALL WORK AND THE EXCEL FORMULAS YOU USED!

Consider the following time series data:

Month 1 2 3 4 5 6 7
Value 24 15 21 13 19 21 16

(b) Develop a three-month moving average for this time series. Compute MSE and a forecast for month 8.
If required, round your answers to two decimal places. Do not round intermediate calculation.
What is MSE:
What is the forecast for month 8:
(c) Use = 0.2 to compute the exponential smoothing values for the time series. Compute MSE and a forecast for month 8.
If required, round your answers to two decimal places. Do not round intermediate calculation.
What is MSE:
What is the forecast for month 8:

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