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 and Y There is a strong negative correlation between X and Y There is a moderate negative correlation between X and Y There is a weak negative correlation between X and Y c. What percentage of the variation in midterm scores is explained by the linear relationship between X and Y? Answer either in percentage or as a decimal (eg: 15.25%, or 0.1525) O O O O

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The following table shows the assignment scores of 6 students and their respective midterm exam scores out of 100.
X: Assignment scores
76
54
81
97
41
73
Y: Midterm scores
85
61
88
95
60
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 and Y
There is a strong negative correlation between X and Y
There is a moderate negative correlation between X and Y
There is a weak negative correlation between X and Y
c. What percentage of the variation in midterm scores is explained by the linear relationship between X and Y?
Answer either in percentage or as a decimal (eg: 15.25%, or 0.1525)
Transcribed Image Text:The following table shows the assignment scores of 6 students and their respective midterm exam scores out of 100. X: Assignment scores 76 54 81 97 41 73 Y: Midterm scores 85 61 88 95 60 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 and Y There is a strong negative correlation between X and Y There is a moderate negative correlation between X and Y There is a weak negative correlation between X and Y c. What percentage of the variation in midterm scores is explained by the linear relationship between X and Y? Answer either in percentage or as a decimal (eg: 15.25%, or 0.1525)
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