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Question

The last period's sales forecast was Rs 100 lakhs and demand was Rs 90 lakhs. What is the simple exponential smoothing sales forecast (in Rs lakhs) with alpha of 0.4 for the next period? 

This question was previously asked in
SSC CGL 2017 (Tier 1) Previous Year Paper (16-Aug-2017) (Shift 1)
The correct answer is

96

Simple Exponential Smoothing Forecast = α(Demand) + (1 - α)(Previous Forecast) = 0.4(90) + (1 - 0.4)(100) = 36 + 60 = 96

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Important Questions from Statistical Averages

  1. For a monthly data, the link relative for any month is given by:

  2. What is the main assumption of the ratio-to-moving-averages method?

  3. The following frequency distribution is of which type?

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