Sales in P1,000 Month Sales in P1,000 Month 11 January 14 August 14 February 17 September 15 March 12 October 10 April 14 November 15 May 16 December 17 June 11 January 11 July       Required suing a moving average with three periods, determine the demand for vacuum cleaners for next February?

Using exponential smoothing with alpha = .2, and assuming the forecast for period 11 was 80, what would the forecast for period 14 be?

ABC Inc. sells patio sets. Monthly sales for a seven-month period were as follows:    Month Sales (000) Unites Feb 19 Mar 18 Apr 15 May 20 Jun 18 Jul 22 Aug 20 Forecast September sales volume using a five-month moving average approach.

QUESTION 4 Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series:  Quarter Seasonal Index Q1 72.4 Q2 85.3 Q3 109.6      Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4. Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below:    Coefficients Intercept 2,506 Time 71.3  If the original value of the series in a Q1 was 2,040, then what is the seasonally adjusted value? (please round your answer to 1 decimal place)