With reference to Exercise 11.6 on page 399, use the value
Chapter 11, Problem 11.23(choose chapter or problem)
With reference to Exercise 11.6 on page 399, use the value of s2 found in Exercise 11.18(a) to compute (a) a 95% condence interval for the mean shear resistance when x = 24 .5; (b) a 95% prediction interval for a single predicted value of the shear resistance when x = 24 .5.
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