Refer to Exercise 10.21. Construct a 99% confidence interval for the difference in mean
Chapter 10, Problem 10.44(choose chapter or problem)
Refer to Exercise 10.21. Construct a 99% confidence interval for the difference in mean shear strengths for the two soil types. a Is the value 1 2 = 0 inside or outside this interval? b Based on the interval, should the null hypothesis discussed in Exercise 10.21 be rejected? Why? c How does the conclusion that you reached compare with your conclusion in Exercise 10.21?
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