X 6 11 Y 6 9 scatter diagram for these data 15 6 21 17 27 12

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Question 1
Five observations taken for two variables follow.
X
6
11
15
21
27
Y
6
9
6
17
12
a. Develop a scatter diagram for these data.
b. What does the scatter diagram indicate about a relationship between x and y?
c. Compute the sample covariance.
d. Compute and interpret the sample correlation coefficient S
e. Generate a line of best-fit (by hand) in your diagram in question 1(a) and determine an
estimate of Y when X is 15. (
Transcribed Image Text:1 Question 1 Five observations taken for two variables follow. X 6 11 15 21 27 Y 6 9 6 17 12 a. Develop a scatter diagram for these data. b. What does the scatter diagram indicate about a relationship between x and y? c. Compute the sample covariance. d. Compute and interpret the sample correlation coefficient S e. Generate a line of best-fit (by hand) in your diagram in question 1(a) and determine an estimate of Y when X is 15. (
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e. Generate a line of best fit in diagram a and determine an estimate of Y when X is 5

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