Given are five observations for two variables, x and y. (Round your answers to two decimal places.) xi 3 12 6 20 14 yi 50 45 55 15 15 A. Estimate the standard deviation of ŷ* when x = 7. B. Develop a 95% confidence interval for the expected value of y when x = 7. C. Estimate the standard deviation of an individual value of y when x = 7. D. Develop a 95% prediction interval for y when x = 7. ___________ to _______________.

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