a. What is the value of the correlation coefficient?

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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The following table shows the midterm exam scores of 6 students and their respective final exam scores out of 100.
X: Midterm scores
83
94
79
65
45
70
Y: Final scores
76
88
85
75
65
67
a. What is the value of the correlation coefficient?
Answer rounded to two decimal places
b. Which of the following is an apporpriate comment for the correlation between X and Y?
There is a strong positive correlation between X and Y
There is a moderate positive correlation between X andY
There is a strong negative correlation between X and Y
There is a weak negative correlation between X and Y
There is no correlation between X and Y
Transcribed Image Text:The following table shows the midterm exam scores of 6 students and their respective final exam scores out of 100. X: Midterm scores 83 94 79 65 45 70 Y: Final scores 76 88 85 75 65 67 a. What is the value of the correlation coefficient? Answer rounded to two decimal places b. Which of the following is an apporpriate comment for the correlation between X and Y? There is a strong positive correlation between X and Y There is a moderate positive correlation between X andY There is a strong negative correlation between X and Y There is a weak negative correlation between X and Y There is no correlation between X and Y
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