Y X 3 45 4 56 5 54 6 56 7 57 6 58 6 67 6 68 7 76 7 76 8 78 9 79 12 80 13 81 15 84 17 89
a. Calculate the correlation between X and Y
b. Apply the regression between X and Y (as dependent variable)
c. Estimate the R square
d. Predict Y when X = 50
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Answer:
Solve: 8P - lo=-6p+ 18-4P Р
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