Use the Minitab display to test the claims. Use the =0.05 significance level. Th
ID: 3231761 • 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
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 .
2. Test the claim that gender has an effect on SAT scores.
(a) The Ftest statistic is .
(b) The P-value is
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 .
source df ss ms f p gender 1 52814 52814 5.04 0.031 ver/math 1 5999 5999 .57 .454 interaction 1 31449 31449 3 .092 error 34 377563 10483 total 37 467825Explanation / Answer
1 a) F - test statistic = 3
b) P - value = 0.92
2. a) F - test statistic = 5.04
b) P - value = 0.031
3. a) F - test statistic = 0.57
b) P - value = 0.454
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