Question: Refer to Exercise 6.3. a. What is the level of significance for your test? b. Place a 99% confidence interval on μ1 μ2. Population Sample

Refer to Exercise 6.3.
Refer to Exercise 6.3. a. What is the level of

a. What is the level of significance for your test?
b. Place a 99% confidence interval on μ1 €“ μ2.

Population Sample size Sample mean Sample standard deviation 13 50.3 21 58.6 7.23 6.98

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