Question

In a two-sample test of means for independent samples, the equal sign always appears in the

null hypothesis

alternate hypothesis

upper tail of the test stat.

lower tail of the test stat.

Answer 1

Solution:

Given that,

In a two-sample test of means for independent samples, the equal sign always appears in the null hypothesis.

The test comparing two independent population means with unknown and them using the two sample standard deviations from our independent samples. The test statistic calculated previously is approximated by the Student's t-distribution with df as follows The words “the same” tell you H₀ has an equal sign.

The answer is null hypothesis