Model Summary
S R-sq R-sq (adj)
52.24%
21.7798 56.39%
Coefficients
Term
Constant
Coef SE Coef I-Value P-Value
30.1
16.7
1.80
0.079
Sex
-3.40
0.002
Status
-0.481 0.269 -1.79
0.081
Sex: Status
1.088
0.460
2.37
0.023
Income ($100) 4.970
0.984
5.05
0.000
-68.2
20.1
Regression Equation
Gambling Amount ($) 30.1 - 68.2 Sex 0.481 Status + 1.088 Sex: Status
+ 4.970 Income
a. What is the predicted Gambling Amount for a female with income of $350 whose parents
have a Status score of 70? (Recall that in the Sex variable, females are coded with a 1;
males with 0. Status is recorded on a scale of 1 to 100 and note that Income is recorded
in $100s.)
b. What is the predicted Gambling Amount for a female with income of $350 whose parents
have a Status score of 80?
c. What is the predicted Gambling Amount for a male with income of $350 whose parents
have a Status score of 70?
d. What is the predicted Gambling Amount for a male with income of $350 whose parents
have a Status score of 80?
e. Interpret the total effect of Status on Gambling Amount for both females and males.
(Hints: Interpret for the females and males separately. Make sure to account for the
interaction effect)
Fig: 1