Explain the difference between a left-tailed-two-tailed test

Reference no: EM13133363

Explain the difference between a left-tailed, two-tailed, and right-tailed test with examples from your own experience for each.

2. When would you choose a two-tailed test?
3. How might you tell the direction of the test by looking at a pair of hypothesis?
4. How might you tell which direction (or no direction) to make the hypothesis by looking at the problem statement (research question)?

Reference no: EM13133363

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