Question: 76-3. For the data given in Exercise 6.5-3, with the usual assumptions, (a) Find a 95% confidence interval for u(x) when x = 68, 75,

76-3. For the data given in Exercise 6.5-3, with the usual assumptions, (a) Find a 95% confidence interval for u(x) when x = 68, 75, and 82. (b) Find a 95% prediction interval for Y when x = 68, 75, and 82

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