Question

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 μ1>μ2
at the

alphaαequals=0.10

level of significance for the given sample data.​(b) Construct a

90​%

confidence interval about μ1−μ2.

Population 1

Population 2

n

24

6

x overbarx

49.6

44.1

s

7.4

14.1

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