Question: Trying to solve this. i need answer with an explanation. will rate the good work and comment. The following sample observations were randomly selected: (Round

Trying to solve this. i need answer with an explanation. will rate the good work and comment.

The following sample observations were randomly selected: (Round the final answer to 4 decimal places.) X: 20 6 19 Y: 15 4 2 9 Un LO 13 12 13 25 14 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. Y'+

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