Question: You may need to use the appropriate appendix table or technology to answer this question. Given are five observations for two variables, x and y.

You may need to use the appropriate appendix table or technology to answer this question. 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 5 15 (a) Estimate the standard deviation of * when x = 7. Correct: Your answer is correct. (b) Develop a 95% confidence interval for the expected value of y when x = 7. to (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

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