The following is a partial computer output of a Multiple regression analysis of a data set containing ten sets of observations on the dependent variable, SALES (= sales volume in thousands of dollars), and two independent variables, ADVT (= advertising expenditure in thousands of dollars) and REPS (= number of sales representatives).
Analysis of Variance (ANOVA)
Source DF SS MS
Regression 2 321.11 160.55
Residual Error 7 63.39 9.05
Total 9 384.50
What is the numerical value of R2?
a) 83.51%
b) 78.79%
c) 77.72%
d) 98.75%
e) 100.00%