Question

(A, B, & C ) Given the following table: Probability X Y 30% 25% 30% 50%...

  1. (A, B, & C ) Given the following table:

Probability X Y

30% 25% 30%

50% 15% 18%

20% 30% 20%

Calculate A) the covariance of X and Y, and b&C) the next question.

Select one:

a. 18%

b. 38%

c. 74%

d. 25%

e. 22%

2.

2. (A, B, & C) Given the following table:

Probability X Y

30% 25% 30%

50% 15% 18%

20% 30% 20%

Calculate B) the correlation coefficient, C) the next question.

Select one:

a. 0.54

b. 0.45

c. 0.77

d. 0.82

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Answer #1

Please refer to below spreadsheet for calculation and answer. Cell reference also provided.

Cell reference -

Please note: covariance given in percentage squared.

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