Question

In: Statistics and Probability

Use the given statistics to complete parts​ (a) and​ (b). Assume that the populations are normally...

Use the given statistics to complete parts​ (a) and​ (b). Assume that the populations are normally distributed.

​(a) Test whether u1 > u2 at the a=0.01level of significance for the given sample data.
​(b) Construct a 90​% confidence interval about

u1-u2

Population 1

Population 2

n

29

22

x overbarx

45.8

43.4

s

4.9

11.7

Solutions

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