Question: The following sample observations were randomly selected. X : 5 3 6 3 4 4 6 8 Y : 13 15 7 12 13 11

The following sample observations were randomly selected.

X : 5 3 6 3 4 4 6 8
Y : 13 15 7 12 13 11 9 5

a.

Determine the regression equation. (Negative value should be indicated by a minus sign. Round your answers to 3 decimal places.)

Y hat = __________ +____________ X

b. Determine the value of Yhat when X is 7. (Round your answer to 4 decimal places.)

Yhat = ____________

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