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The results of sampling independent populations: sample 1 from population 1 mean 80 population variance 3 sample size 25 sample 2 from population 2 mean
The results of sampling independent populations:
sample 1 from population 1
- mean 80
- population variance 3
- sample size 25
sample 2 from population 2
- mean 81
- population variance 2
- sample size 50
Note that the population variances are known. Test H0: (population1 mean - population2 mean) 0 at = 0.05. HA: (population1 mean - population2 mean) > 0. This is a one-tailed test with upper reject region and positive critical value.
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