Chapter 5, Problem 5
Auto Sales
Disregard dates shown.
This is cross-sectional data.
ForecastX always displays dates.
600,000.00
500,000.00
400,000.00
300,000.00
200,000.00
100,000.00
Actual
Forecast
Fitted Values
Multiple Regression - Result Formula
Auto
Problem 7
a) Using FORECASTXTM, the following descriptive statistics about class size were obtained.
Statistics for
Solution
Number of students
Mean
40.1600
Median
42.0000
Mode
20.0000
Standard Deviation
13.1424
Sample Variance
Standard Error
172.7233
2.6
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Review Problems
Emblem 1;
Figures 1, 2, and 3 show the ACF for 36, 360, and 1000 random numbers
(a) Explain the difference among these gures. Do they all indicate the data are a
white noise?
(13) Why are the critical values at dierent distances from the m
Project Description
MGT 267: Winter 2015
MGT 267: Forecasting Project
The Plan
The best way to learn how to forecast is to actually practice it. It is also better to form
forecasts and then to evaluate them in real time rather than using a contrived