21. The table depicted below lists randomly selected students' self-reported hours of studying (x) and their corresponding final grades (y). a. Find the correlation coefficient r. b. Find the critical value. c. Is there a linear correlation (i.e., can Ho be rejected)? Explain the result. X 27 36 14 20 9. 16 y 93 100 82 89 71 86
21. The table depicted below lists randomly selected students' self-reported hours of studying (x) and their corresponding final grades (y). a. Find the correlation coefficient r. b. Find the critical value. c. Is there a linear correlation (i.e., can Ho be rejected)? Explain the result. X 27 36 14 20 9. 16 y 93 100 82 89 71 86
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 help with the question on the first slide second is just attached for table reference.

Transcribed Image Text:SECTION II: OPEN-ENDED vaull)
For Questions 21-26, assume the requirements needed for each calculation are satisfied.
21. The table depicted below lists randomly selected students' self-reported hours of studying
(x) and their corresponding final grades (y).
a. Find the correlation coefficient r.
b. Find the critical value.
Is there a linear correlation (i.e., can H, be rejected)? Explain the result.
с.
27
36
14
20
9.
16
y
93
100
82
89
71
86

Transcribed Image Text:22. Using the table in Question 21:
a. Find the regression equation.
b. Find the predicted grade for someone who studied 24 hours.
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