A standardized exam consists of three parts: math, writing, and critical reading. Sample data showing the math and writing scores for a sample of 12 students who took the exam follow.   Student Math Writing 1 540 474 2 432 380 3 528 457 4 574 606 5 448 420 6 502 526 7 480 430 8 499 459 9 610 615 10 572 541 11 390 335 12 593 613   1.What is the point estimate of the difference between the mean scores for the two tests? (Use math score − writing score.) Answer: ______ 2.What are the estimates of the population mean scores for the two tests? Math : ______ Writing: _______  3) Which test reports the higher mean score? The math test reports a  ---Select--- (higher or  lower) mean score than the writing test.

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