Question: The following sample observations were randomly selected: (Round the final answer to 4 decimal places.) X : 9 12 16 18 8 4 6 16

The following sample observations were randomly selected: (Round the final answer to 4 decimal places.)

X:	9	12	16	18	8	4	6	16
Y:	19	16	1	12	9	9	5	4

a.Determine the standard error of estimate.

b. Suppose a large sample is selected (instead of just eight). About 68% of the predictions would be between what two values? Assuming that the Standard Error of Estimate does not change. Use z = 1.

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