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The following sample observations were randomly selected. (Round intermediate calculations and final answers to 2 decimal places.) x 4 5 4 6 9 y 4

The following sample observations were randomly selected.(Round intermediate calculations and final answers to 2 decimal places.)

x 4 5 4 6 9

y 4 6 3 7 7

a. The regression equation is hat(y)= ____ + 0.69x

b. When X is 8 this gives hat(y) = _____

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