C) Calculate d and sg. d = (Type an integer or a decimal. Round to three decimal places as needed.) Calculate %3D (Type an integer or a decimal. Round to three decimal places as needed.) E) Use the t-test to find the standardized test statistic t. t = (Tune an integer or a decimal Round to three decimal nlaces as neededY

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
(1).
Student
Score on first test
3
10 11 12 13 14
444 635 616 409 545 605 516 395 561 471 632 387 337 461
Score on second test 450 698 674 448 489 630 496 543 636 558 643 407 374 493
4
8.
(c) Calculate d and
d =
(Type an integer or a decimal. Round to three decimal places as needed.)
Calculate sd.
(Type an integer or a decimal. Round to three decimal places as needed.)
(d) Use the t-test to find the standardized test statistic t.
t%3D
(Tune an integer or a decimal Round to three decimnal places as neededY
Transcribed Image Text:(1). Student Score on first test 3 10 11 12 13 14 444 635 616 409 545 605 516 395 561 471 632 387 337 461 Score on second test 450 698 674 448 489 630 496 543 636 558 643 407 374 493 4 8. (c) Calculate d and d = (Type an integer or a decimal. Round to three decimal places as needed.) Calculate sd. (Type an integer or a decimal. Round to three decimal places as needed.) (d) Use the t-test to find the standardized test statistic t. t%3D (Tune an integer or a decimal Round to three decimnal places as neededY
(e) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
Reject the null hypothesis.
Fail to reject the null hypothesis.
(f) Interpret the decision in the context of the original claim. Choose the correct answer below.
O A. The sample was not large enough to make a conclusion.
O B. At the 1% significance level, there is enough evidence that the students' critical reading scores improved the second time they took the test.
O C. At the 1% significance level, there is not enough evidence that the students' critical reading scores improved the second time they took the test.
O D. At the 1% significance level, there is evidence that the students' critical reading scores got worse the second time they took the test.
Click to select your answer(s).
Transcribed Image Text:(e) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. Reject the null hypothesis. Fail to reject the null hypothesis. (f) Interpret the decision in the context of the original claim. Choose the correct answer below. O A. The sample was not large enough to make a conclusion. O B. At the 1% significance level, there is enough evidence that the students' critical reading scores improved the second time they took the test. O C. At the 1% significance level, there is not enough evidence that the students' critical reading scores improved the second time they took the test. O D. At the 1% significance level, there is evidence that the students' critical reading scores got worse the second time they took the test. Click to select your answer(s).
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