question Not yet Points out of Flag answered 1.00 question In a regression model involving more than one independent variable, which of the following tests must be used in order to determine if the relationship between the dependent variable and the set of independent variables is significant? 0 a. t test b. F test C. Either a t test or a chi-square test can be used 00 a chi-square test Clear my choice Question Not yet Points out of F Flag answered 1.00 question For a multiple regression model, SSR - 600 and SSE = 200. The coefficient of determination RA2 is 0 a- 0.333 Ob. 0.275 C. 0.300 0 d. 0.750 C Clear my choice A regression model involved 5 independent variables and 136 observations. The critical value of t for testing the significance of each of the independent variable's coefficients will have 0 a. 121 degrees of freedom. Ob. 135 degrees of freedom. 130 degrees of freedom. d. 4 degrees of freedom. Clear my choice Question Not yet Points out of F Flag answered 1.00 question In a regression model Involving 44 observations, the following estimated regression equation was obtained. Y-predicted - 29+18X1+43X2+87X3 For this model SSR - 600 and SSE - 400. MSR for this model Is a. 200 Ob. 10 O C. 1000 Od. 43Question 15 Not yet answered Points out of 1.00 F Flag question Below you are given a partial computer output based on a sample of 16 observations. Coefficient Standard Error Constant 12.924 4.425 X1 3.682 2.630 Xz 45.216 12.560 Analysis of Variance Source of Degrees Sum of Mean Variation of Squares Square Freedom F Regression 4.853 2.426.5 Error 485.3 We want to test whether the parameter is significant. The test statistic equals pa. -1.4 Ob. 1.4 3.6 Od. 5 Clear my choice Question 16 Not yet answered Points out of 1.00 F Flag question Below you are given a partial computer output based on a sample of 16 observations. Coefficient Standard Error Constant 12.924 4.425 X1 -3.682 2.630 Xz 45.216 12.560 Analysis of Variance Source of Degrees Sum of Mean Variation of Squares Square Freedom F Regression 4.853 2.426.5 Error 485.3 The F ratio (F-test statistic ) value is Da. 5.00 Ob. 3.81 C. 2.00 Od. 19.41Question 17 Not yet answered Points out of 1.00 P Flag question The time series component that reflects variability during a single year is called Oa. trend Ob. seasonal Oc. cyclical Od. irregular Clear my choice Question 18 Not yet answered Points out of 1.00 Flag question The time series component that reflects gradual variability over a long time period is called Oa. trend Ob. seasonal Oc. cyclical Od. irregular Clear my choice Question 19 Not yet answered Points out of 1.00 * Flag question The time series component which reflects a regular, multi-year pattern of being above and below the trend line is Oa. trend Ob. seasonal Oc. cyclical Od. irregular Clear my choice
