33. The data from exercise 2 follow. 3 12 6. 20 14 55 40 55 10 15 Estimate the standard deviation of * when x = b. Develop a 95% confidence interval for the expected value of y when x = a. 8. с. Estimate the standard deviation of an individual value of y whenx = 8. d. Develop a 95% prediction interval for y when x = 8. 34. The data from exercise 3 follow. よi | 2 6 9 13 20 y; 7 18 9 26 23 Develop the 95% confidence and prediction intervals when x = = 12. Explain wl intervals are different.

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