iii A partial SPSS output is given below.
Model Summaryb
Model R R Square Adjusted R Square Std. Error of the Estimate
1 .784a .614 .606 22.81196
a. Predictors: (Constant), x2, x1
b. Dependent Variable: y
Coefficientsa
Model Unstandardized Coefficients Standardized Coefficients 95.0% Confidence Interval for B Correlations
B Std. Error Beta t Sig. Lower Bound Upper Bound Zero-order Partial Part
1 (Constant) 221.314 21.200 10.439 .000 179.238 263.390
x1 .810 .090 .569 9.023 .000 .632 .988 .547 .676 .569
x2 .912 .102 .561 8.898 .000 .709 1.115 .539 .670 .561
a. Dependent Variable: y
a Write down the linear regression equation.
(03 Marks)
b Provide an interpretation of each coefficient in the model.
(04 Marks)