The following is a set of data from a sample of n 11 items

The following is a set of data from a sample of n = 11 items: X 7 5 8 3 6 10 12 4 9 15 18 Y 21 15 24 9 18 30 36 12 27 45 54

a. Compute the covariance.

b. Compute the coefficient of correlation.

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

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The following is a set of data from a sample of n 11 items : the following is a set of data from a sample of n 11 items x 7 5 8 3 6 10 12 4 9 15 18 y 21 15 24 9 18 30 36 12 27 45

A bottle containing 66 kg mass of water at a temperature of : a bottle containing 6.6 kg mass of water at a temperature of 28.2 oc is placed in a refrigerator where the temperature

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