Use the Minitab display to test the claims. Use the =0.05 significance level. Th
ID: 3317695 • Letter: U
Question
Use the Minitab display to test the claims. Use the =0.05 significance level. The sample data are SAT scores on the verbal and math portions of SAT-I.
Analysis of Variance for SAT SourceGenderVer/MathInteractionErrorTotalDF1113841SS52452607531514375772465813MS5245260753151410427F5.030.583.02P0.0310.450.091
1. Test the claim that SAT scores are not affected by an interaction between gender and test (verbal/math).
(a) The Ftest statistic is .
(b) The P-value is .
(c) Does there appear to be a significant effect from the interaction between gender and test?
A. No
B. Yes
2. Test the claim that gender has an effect on SAT scores.
(a) The Ftest statistic is .
(b) The P-value is .
(c) Is there sufficient evidence to support the claim that gender has an effect on SAT scores?
A. No
B. Yes
3. Test the claim that the type of test (math/verbal) has an effect on SAT scores.
(a) The Ftest statistic is .
(b) The P-value is .
(c) Is there sufficient evidence to support the claim that the type of test has an effect on SAT scores?
A. Yes
B. No
Explanation / Answer
1)
(a) The Ftest statistic is 3.02.
(b) The P-value is 0.09.
(c) No.
2)
(a) The Ftest statistic is 5.03.
(b) The P-value is 0.031.
(c) Yes.
3)
(a) The Ftest statistic is 0.58.
(b) The P-value is 0.45.
(c) No.
Source DF SS MS F P Gender 1 52452 52452 5.030401841 0.031 Ver/Math 1 6075 6075 0.582622039 0.45 Interaction 1 31514 31514 3.022345833 0.091 Error 38 375772 10427 Total 41 465813Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.