ch04pp

# ch04pp - Practice Problems: Chapter 4, Forecasting Problem...

This preview shows pages 1–4. Sign up to view the full content.

Practice Problems: Chapter 4, Forecasting Problem 1: Auto sales at Carmen’s Chevrolet are shown below. Develop a 3-week moving average. Week Auto Sales 1 8 2 10 3 9 4 11 5 10 6 13 7 - Problem 2: Carmen’s decides to forecast auto sales by weighting the three weeks as follows: Weights Applied Period 3 Last week 2 Twoweeks ago 1 Three weeks ago 6 Total 1

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Problem 3: A firm uses simple exponential smoothing with α = 01 . to forecast demand. The forecast for the week of January 1 was 500 units whereas the actual demand turned out to be 450 units. Calculate the demand forecast for the week of January 8. Problem 4: Exponential smoothing is used to forecast automobile battery sales. Two value of are examined, = 0 8 . and = 0 5 . . Evaluate the accuracy of each smoothing constant. Which is preferable? (Assume the forecast for January was 22 batteries.) Actual sales are given below: Month Actual Battery Sales Forecast January 20 22 February 21 March 15 April 14 May 13 June 16 2
Problem 5: Use the sales data given below to determine: (a) the least squares trend line, and (b) the predicted value for 2008 sales. Year

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 04/24/2011 for the course MGT 4476 taught by Professor Marthabrowski during the Spring '10 term at Troy.

### Page1 / 10

ch04pp - Practice Problems: Chapter 4, Forecasting Problem...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online