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427 merform differently on the three F an Square co whole (to 2 decimals)

427 merform differently on the three F an Square co whole (to 2 decimals)

MATLAB: An Introduction with Applications
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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The Scholastic Aptitude Test (SAT) contains three parts: critical reading, mathematics, and writing. Each part is scored on an 800-point scale. A sample of SAT scores for six students follows. Critical Student Reading Mathematics Writing 1 2 3 4 525 595 464 558 431 427 531 587 461 567 477 459 527 583 449 552 425 424 a. Using a .05 level of significance, do students perform differently on the three portions of the SAT? Sum of Squares Degrees Mean Square F p-value Source (to 2 of (to whole of (to whole (to 4 decimals) Variation number) Freedom number) decimals) Treatments Blocks Error Total The p-value is - Select your answer v What is your conclusion? Select your answer - that the mean scores for the three parts of the SAT are not equal. b. Which portion of the test seems to give the students the most trouble? Select your answer - v Because it has the lowest Select your answer - V
Transcribed Image Text:The Scholastic Aptitude Test (SAT) contains three parts: critical reading, mathematics, and writing. Each part is scored on an 800-point scale. A sample of SAT scores for six students follows. Critical Student Reading Mathematics Writing 1 2 3 4 525 595 464 558 431 427 531 587 461 567 477 459 527 583 449 552 425 424 a. Using a .05 level of significance, do students perform differently on the three portions of the SAT? Sum of Squares Degrees Mean Square F p-value Source (to 2 of (to whole of (to whole (to 4 decimals) Variation number) Freedom number) decimals) Treatments Blocks Error Total The p-value is - Select your answer v What is your conclusion? Select your answer - that the mean scores for the three parts of the SAT are not equal. b. Which portion of the test seems to give the students the most trouble? Select your answer - v Because it has the lowest Select your answer - V
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Part a

Statistics homework question answer, step 1, image 1

Step 2

Statistics homework question answer, step 2, image 1

The f-ratio value is 0.15089. The p-value is 0.861232. The result is not significant at p < 0.05.

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