Question: (a). Find 80 percent, 90 percent, 95 percent, and 99 percent confidence interval for y0, the mean of one future observation at x1 = 9.5

(a). Find 80 percent, 90 percent, 95 percent, and 99 percent confidence interval for y0, the mean of one future observation at x1 = 9.5 and x2 = 2.5. (b). Find a 90 percent confidence interval for ¯y0, the mean of six observations at x1 = 9.5 and x2 = 2.5.

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