QMB3200-In a multiple regression analysis with
18.In a multiple regression analysis with three independent variables the null hypothesis for conducting the test of the overall model is:
Ho : ?0 = ?1 = ?2 = ?3 = 0.
T/F
24.The time series component that is often referred to as “noise” because it has no detectable pattern is the ________ component.
trend
cyclical
random
seasonal
29.The average forecasting error for a time-series technique can be determined through the mean absolute deviation.
True
False
30.The presence of autocorrelation in a time series could result in concluding that the regression coefficient for the trend line is statistically significant when, in reality, it is not.
True
False
