Question: What is the null and alternative hypothesis Test statisticCritical valueP value Conclusion A SAT prep course claims to increase student scores by more than 60

What is the null and alternative hypothesis Test statisticCritical valueP value Conclusion

What is the null and alternative hypothesis Test statisticCritical valueP value Conclusion

A 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. SAT Scores Before Prep Course 1010 980 1170 1200 1040 1280 1450 1470 1500 After Prep Course 1100 1260 1 190 1280 1170 1370 1440 1500 1520 Difference 90 280 20 80 130 90 -10 30 20

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