ssume that both populations are normally distributed. (a) Test whether μ1≠μ2 at the α=0.05 level of significance for the given sample data. (b) Construct a 95% confidence interval about μ1−μ2....

ssume that both populations are normally distributed.

(a) Test whether

μ1≠μ2

at the

α=0.05

level of significance for the given sample data.

(b) Construct a

95%

confidence interval about

μ1−μ2.

Population 1

Population 2

n

14

14

x

19.1

20.4

s

4.2

4.8

Jun 02, 2022

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