a) Compute the standard deviation for each of the variables. b) Compute the covariance between success and participation. c)Estimate the Pearson correlation coefficient and interpret your finding.
a) Compute the standard deviation for each of the variables. b) Compute the covariance between success and participation. c)Estimate the Pearson correlation coefficient and interpret your finding.
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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Transcribed Image Text:5. A teacher argues any relationship between student success and the level of class participation
for his current class. To reach a reasonable conclusion, he randomly selected 6 students and
prepared the following schedule that tabulates the overall success grades and participation
ratios of these sample students.
STUDENT
1
2
3
4
6
GRADE
60
75
35
50
90
83
PARTICIPATION RATE (%)
70
80
50
65
95
90
a) Compute the standard deviation for each of the variables.
b) Compute the covariance between success and participation.
c)Estimate the Pearson correlation coefficient and interpret your finding.
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