course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took th test. Before taking the test for the second time, the students took the instructor's course to try to improve their critical reading test scores. At a = 0.01, is there enough evidence to support the instructor's claim? Complete parts (a) through (f). Student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 631 344 532 539 526 595 433 622 357 388 545 543 322 559 Score on first test Score on second test 637 365 553 579 475 637 402 631 381 414 580 578 367 584 (a) Identify the claim and state Ho and H₂. The claim is "The students' critical reading test scores the second time they took the test."
course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took th test. Before taking the test for the second time, the students took the instructor's course to try to improve their critical reading test scores. At a = 0.01, is there enough evidence to support the instructor's claim? Complete parts (a) through (f). Student 1 2 3 4 5 6 7 8 9 10 11 12 13 14 631 344 532 539 526 595 433 622 357 388 545 543 322 559 Score on first test Score on second test 637 365 553 579 475 637 402 631 381 414 580 578 367 584 (a) Identify the claim and state Ho and H₂. The claim is "The students' critical reading test scores the second time they took the test."
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Need the claim, hypothesis, crit value(s), rejection regions, d, Sd, t test, reject or fail to, and conclusion.

Transcribed Image Text:An instructor for a test preparation course claims that the course will improve the test scores of students. The table shows the critical reading scores for 14 students the first two times they took the
test. Before taking the test for the second time, the students took the instructor's course to try to improve their critical reading test scores. At a = 0.01, is there enough evidence to support
the instructor's claim? Complete parts (a) through (f).
Student
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Score on first test 631 344 532 539 526 595 433 622 357 388 545 543 322 559
Score on second test 637 365 553 579 475 637 402 631 381 414 580 578 367 584
(a) Identify the claim and state Ho and Ha
The claim is "The students' critical reading test scores
...
the second time they took the test."
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step 1: Given Information:
VIEWStep 2: Identify the claim and state the hypotheses:
VIEWStep 3: Identify the critical value and the rejection region:
VIEWStep 4: Calculate the mean and standard deviation of the differences:
VIEWStep 5: Compute the test statistic:
VIEWStep 6: State the conclusion:
VIEWSolution
VIEWStep by step
Solved in 7 steps with 22 images

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman