Answer to Question #226067 in Statistics and Probability for Carrie

Question

The following information is from two samples drawn from independent normally distributed popu-

lations:

Population A : n1 D 16 s

2

1 D 178:1

Population B : n2 D 16 s

2

2 D 120:5

Level of significance D 5%

In testing the population variances, which one of the following statements is correct?

1. The degrees of freedom are d f1 D 16 and d f2 D 16:

2. The value of test statistic F D 1:0478:

3. The rejection region for a two–tailed test: F > F.0:025;15;15/

:

4. The critical value at 5% for H1

Answer 1

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