Question: Complete answer please Solve using Excel. The monthly sales for Telco Batteries, Inc., were as follows: Sales 20 21 15 14 Month January February March

Complete answer please

Solve using Excel. The monthly sales for Telco Batteries, Inc., were as follows: Sales 20 21 15 14 Month January February March April May June July August September October November December 13 16 17 18 20 20 21 23 a. Plot the monthly sales data. Do you observe any trend, cycles or random variations? b. Forecast January sales using each of the following: a. Nave method b. A 3-month moving average C. A 6-month weighted moving average using 0.1, 0.1, 0.1, 0.2, 0.2 and 0.3 with the heaviest weights applied to the most recent months d. Exponential smoothing using an

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