value of the linear correlation coefficient r. 1) A college professor wants to see if there is a linear correlation between the number of minutes that students study for an exam and the number of errors that each student made on the exam. Study time in minutes| 90 100 130 150 180 200 220 300 Number of errors on the exam 25 28 20 20 15 12 13 10 a) Find the correlation r between study time and the number of errors on an exam. b) Find critical values for r. c) Determine if there is significant linear correlation between study time and the number of errors on an exam using a 0.05 significance level.
value of the linear correlation coefficient r. 1) A college professor wants to see if there is a linear correlation between the number of minutes that students study for an exam and the number of errors that each student made on the exam. Study time in minutes| 90 100 130 150 180 200 220 300 Number of errors on the exam 25 28 20 20 15 12 13 10 a) Find the correlation r between study time and the number of errors on an exam. b) Find critical values for r. c) Determine if there is significant linear correlation between study time and the number of errors on an exam using a 0.05 significance level.
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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value of the linear
1) A college professor wants to see if there is a linear correlation between the number of
minutes that students study for an exam and the number of errors that each student made
on the exam.
Study time in minutes| 90 100 130 150 180 200 220 300
Number of errors on the exam 25
28
20 20
15
12 13
10
a) Find the correlation r between study time and the number of errors on an exam.
b) Find critical values for r.
c) Determine if there is significant linear correlation between study time and the number of
errors on an exam using a 0.05 significance level.
d) Clearly state the conclusion.
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