ANOVA
df SS MS F Significance F
Regression 3 1.9464 0.6488 2.0638 0.1102
Residual 95 29.8650 0.3144
Total 98 31.8114
Coefficients Standard Error t Stat P-value
Intercept -1.5746 0.0575 -27.3770 0.0000
x1 -0.1260 0.0567 -2.2232 0.0286
x2 -0.0337 0.0304 -1.1109 0.2694
x3 -0.0095 0.0553 -0.1723 0.8636
The above table shows the regression results when estimating the multiple linear regression model relating response variable y to three predictor variables, x1, x2, and x3.
At the 5% significance level, which predictor variable(s) is(are) individually significant?
Only x1.
Only x2.
Only x3.
Both x1 and x2.