# Direction of a Test

10

Test the claim below about the mean of the difference of two populations. Use a t-test for dependant, random samples at the given level of significance with the given statistics. Is the test right-tailed, left-tailed, or two-trailed? Assume the populations are normally distributed.

Is the test right-tailed, left-tailed, or two-trailed?

Should the null hypothesis be rejected?

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10

Test the claim below about the mean of the difference of two populations. Use a t-test for dependant, random samples at the given level of significance with the given ...

#### Solution Summary

The expert examines the direct of a test.

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