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.
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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 13PPS
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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
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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