How to identify one tailed and two tailed test
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In a word problem, how does one know whether to use a one-tailed test or a two-tailed test? What are some of the words that form clues? How does one know what is a population parameter and a test statistic?
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The expert identifies one tailed and two tailed tests.
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If you encounter any words like 'greater than or less than,better than', it is one tailed test.
any comparative statement ...
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