Question type: Forecasting a b !! !!! iv The monthly sales for Otter Batteries, Inc., were...

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Question type: Forecasting a b !! !!! iv The monthly sales for Otter Batteries, Inc., were as follows: Plot the monthly sales data. Forecast January sales of the next year using each of the following: Naive method. A 4-month moving average. A 4-month weighted average using 1, 2, 3, and 4, with the heaviest weights applied to the most recent months. Exponential smoothing using an alpha= .3 and a September forecast of 100. v A trend projection. X Month Sales 1 Jan 30 2 Feb 50 3 Mar 30 4 Apr 66 5 May 99 6 Jun 65 7 Jul 60 8 Aug 30 9 Sep 110 10 Oct 99 11 Nov 142 12 Dec 120 Question type: Forecasting a b !! !!! iv The monthly sales for Otter Batteries, Inc., were as follows: Plot the monthly sales data. Forecast January sales of the next year using each of the following: Naive method. A 4-month moving average. A 4-month weighted average using 1, 2, 3, and 4, with the heaviest weights applied to the most recent months. Exponential smoothing using an alpha= .3 and a September forecast of 100. v A trend projection. X Month Sales 1 Jan 30 2 Feb 50 3 Mar 30 4 Apr 66 5 May 99 6 Jun 65 7 Jul 60 8 Aug 30 9 Sep 110 10 Oct 99 11 Nov 142 12 Dec 120