The following is a set of data from a sample of nequals11, Ask an Expert

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The following is a set of data from a sample of nequals=11 items. Complete parts? (a) through left parenthesis c right parenthesis .(c).

X 15 18 11 8 4 10 13 20 3 7 2

Y 45 54 33 24 12 30 39 60 9 21 6

a. Compute the sample variance

b. Compute the coefficient of correlation

c. How strong is the relationship between X and Y?

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