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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

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 amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

b. Determine the value of Y when X is 7. (Round your answers to 3 decimal places.)

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