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Solution Library
Testing Claim of SAT prep Course Claims to Increase Student Scores
Question
An SAT prep course claims to increase student scores by more than 60 points, on average. To test this claim, 9 students who have previously taken the SAT are randomly chosen to take the prep course. Their SAT scores before and after completing the prep course are listed in the following table. Test the claim at the 0.01 level of significance.
|
Before prep |
1010 |
980 |
1170 |
1200 |
1040 |
1280 |
1450 |
1470 |
1500 |
|
After prep |
1100 |
1260 |
1190 |
1280 |
1170 |
1370 |
1440 |
1500 |
1520 |
Summary: This question belongs to statistics and discusses about SAT prep course and claims to increase student scores by more than given points on average.
Total word count: 197
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