Question: 26. SAT Performance. The Scholastic Aptitude Test (SAT) contains three areas: critical reading, mathematics, and writing. Each area is scored on an 800point scale. A

26. SAT Performance. The Scholastic Aptitude Test (SAT) contains three areas: critical reading, mathematics, and writing. Each area is scored on an 800point scale. A sample of SAT scores for six students follows.

Student Critical Reading Mathematics Writing 1 526 534 530 2 594 590 586 3 465 464 445 4 561 566 553 5 436 478 430 6 430 458 420

a. Using a .05 level of significance, do students perform differently on the three areas of the SAT?

b. Which area of the test seems to give the students the most trouble? Explain.

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