(a) Construct a 95% confidence interval for the mean increase in scores after the class. Let d represent the SAT score after taking the class minus the SAT score before. Use tables to find the critical value and round the answers to at least one decimal place. A 95% confidence interval for the mean increase in scores after the class is
(a) Construct a 95% confidence interval for the mean increase in scores after the class. Let d represent the SAT score after taking the class minus the SAT score before. Use tables to find the critical value and round the answers to at least one decimal place. A 95% confidence interval for the mean increase in scores after the class is
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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![SAT coaching: A sample of 10 students took a class designed to improve their SAT math scores. Following are their scores before and after the class.
Before
After
439
451
435
431
451
454
453
463
491
511
526
529
473
493
440
466
481
482
459
455
Send data to Excel
Part: 0 / 2
Part 1 of 2
(a) Construct a 95% confidence interval for the mean increase in scores after the class. Let d represent the SAT score after taking the class minus the SAT
score before. Use tables to find the critical value and round the answers to at least one decimal place.
A 95% confidence interval for the mean increase in scores after the class is
< Hq <].](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F231fae22-ac62-4382-9eb0-95d912af77d1%2Fa2fe9158-444f-4c68-a6b9-a0cb8ca4c33f%2Foohj0pd_processed.png&w=3840&q=75)
Transcribed Image Text:SAT coaching: A sample of 10 students took a class designed to improve their SAT math scores. Following are their scores before and after the class.
Before
After
439
451
435
431
451
454
453
463
491
511
526
529
473
493
440
466
481
482
459
455
Send data to Excel
Part: 0 / 2
Part 1 of 2
(a) Construct a 95% confidence interval for the mean increase in scores after the class. Let d represent the SAT score after taking the class minus the SAT
score before. Use tables to find the critical value and round the answers to at least one decimal place.
A 95% confidence interval for the mean increase in scores after the class is
< Hq <].
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