Essay on SCMS 7110 Exam 2 Solutions - 1813 Words

Question 1 4 / 4 points The overall upward or downward pattern of the data in an annual time series will be contained in the ____________ component. trend cyclical irregular seasonal Question 2 4 / 4 points When using the exponentially weighted moving average for purposes of forecasting rather than smoothing, the previous smoothed value becomes the forecast. the current smoothed value becomes the forecast. the next smoothed value becomes the forecast. None of the above. Question 3 4 / 4 points The following is the list of MAD statistics for each of the models you have estimated from time-series data: Model MAD Linear Trend 1.38 Quadratic Trend 1.22 Exponential Trend 1.39 AR(2) 0.71 Based on the MAD criterion,†¦show more content†¦The business literature involving human capital shows that education influences an individual’s annual income. Combined, these may influence family size. With this in mind, what should the real estate builder be particularly concerned with when analyzing the multiple regression model? Randomness of error terms Collinearity Missing observations Normality of residuals Question 8 4 / 4 points In multiple regression, the __________ procedure permits variables to enter and leave the model at different stages of its development. forward selection residual analysis backward elimination stepwise regression Question 9 4 / 4 points A regression diagnostic tool used to study the possible effects of collinearity is the slope. the Y-intercept. the VIF. the standard error of the estimate. Question 10 4 / 4 points The Variance Inflationary Factor (VIF) measures the correlation of the X variables with the Y variable. correlation of the X variables with each other. contribution of each X variable with the Y variable after all other X variables are included in the model. standard deviation of the slope. Question 11 4 / 4 points TABLE 15-3 In Hawaii, condemnation proceedings are under way to enable private citizens to own the property that their homes are built on. Until recently, only estates were permitted to own land, and homeowners leased the land from the estate. In order to comply with the new law, a large Hawaiian