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The College Board SAT college entrance exam consists of three parts: math, writing and critical reading ( The World Almanac 2012). Sample data showing the

The College Board SAT college entrance exam consists of three parts: math, writing and critical reading (The World Almanac 2012). Sample data showing the math and writing scores for a sample of twelve students who took the SAT follow.

The College Board SAT college entrance exam consis

a. Using a .05 level of significance and test for a difference between the population mean for the math scores and the population mean for the writing scores? Enter negative values as negative numbers. Round your answer to two decimal places.

What is the p-value? Round your answer to four decimal places.

b. What is the point estimate of the difference between the mean scores for the two tests?

What are the estimates of the population mean scores for the two tests?

Math test
Writing test

Which test reports the higher mean score?
- Select your answer -math testwriting testItem 7 

Student Math Writing Student Math Writing 1 540 474 7 480 430 2 432 380 8 499 459 3 528 463 9 610 615 4 574 612 10 572 541 5 448 420 11 390 335 6 502 526 12 593 613

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