QMB 3200 Final Exam Test Study Guide

QMB 3200 Final Exam Test Study Guide Questions and Answers (Verified Answers) 1.Which of the following is not present in a time series ANS Operational variations 2.The difference between the actual time series value and the forecast is called ANS forecast error 3.What type of analysis aims to discover a pattern in the historical data or time series and then extrapolate the pattern into the future ANS Time series analysis 1 / 2

4.The average of the absolute values of the forecast errors is called ANS mean absolute error 5.What is the component of a time series model that is attributable to multi- year cycles in the time series ANS The cyclical component 6.Time series regression refers to the use of regression analysis when the independent variable is ANS time 7.The method that uses the average of the most recent k data values in the time series as the forecast for the next period is called ANS moving averages 8.If the historical data are restricted to past values of the variable to