Q3) The grades of a class of the following students on a midterm (MT) score and on the final term (FT) score are as follows: MT 72 81 94 96 82 FT 84 75 85 99 90 a) Develop a scatter diagram with MT on the horizontal axis. What is the relationship between MT score and FT score? Explain. b) Compute and interpret the sample covariance of the above two variables. c) Compute the sample correlation coefficient. What does this value tell us about the strength of the relationship between MT score and FT score?

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Q3) The grades of a class of the following students on a midterm (MT) score and on the final term
(FT) score are as follows:
| 82
MT
FT
72
81
94
96
84
75
85
99
90
a) Develop a scatter diagram with MT on the horizontal axis. What is the relationship between MT
score and FT score? Explain.
b) Compute and interpret the sample covariance of the above two variables.
c) Compute the sample correlation coefficient. What does this value tell us about the strength of
the relationship between MT score and FT score?
Transcribed Image Text:Q3) The grades of a class of the following students on a midterm (MT) score and on the final term (FT) score are as follows: | 82 MT FT 72 81 94 96 84 75 85 99 90 a) Develop a scatter diagram with MT on the horizontal axis. What is the relationship between MT score and FT score? Explain. b) Compute and interpret the sample covariance of the above two variables. c) Compute the sample correlation coefficient. What does this value tell us about the strength of the relationship between MT score and FT score?
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