Question

In a multiple regression analysis, two independent variables are considered, and the sample size is 30. The regression coefficients and the standard errors are as follows. $b_1$ = 2.386 $b_2$ = -1.844 $s_{b_1}$ = 0.78 $s_{b_2}$ = 0.99 Conduct a test of hypothesis to determine whether either independent variable has a coefficient equal to zero. Would you consider deleting either variable from the regression equation? Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) $H_0$: $\beta_1$ = 0 $H_0$: $\beta_2$ = 0 $H_1$: $\beta_1$ ? 0 $H_1$: $\beta_2$ ? 0 $H_0$ is rejected if t < -2.052 or t > 2.052 t t

          In a multiple regression analysis, two independent variables are considered, and the sample size is 30. The regression coefficients and the standard errors are as follows.
$b_1$ = 2.386 
$b_2$ = -1.844
$s_{b_1}$ = 0.78
$s_{b_2}$ = 0.99
Conduct a test of hypothesis to determine whether either independent variable has a coefficient equal to zero. Would you consider deleting either variable from the regression equation? Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)
$H_0$: $\beta_1$ = 0 	 $H_0$: $\beta_2$ = 0
$H_1$: $\beta_1$ ? 0 	 $H_1$: $\beta_2$ ? 0
$H_0$ is rejected if t < -2.052 or t > 2.052
t
t

In a multiple regression analysis, two independent variables are considered, and the sample size is 30. The regression coefficients and the standard errors are as follows.
b1 = 2.386
b2 = -1.844
sb1 = 0.78
sb2 = 0.99
Conduct a test of hypothesis to determine whether either independent variable has a coefficient equal to zero. Would you consider deleting either variable from the regression equation? Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)
H0: β1 = 0 H0: β2 = 0
H1: β1 ? 0 H1: β2 ? 0
H0 is rejected if t < -2.052 or t > 2.052
t
t

Added by Andrea M.

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