A 1 tailed and 2 tailed hypothesis ?

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a 1 tailed and 2 tailed hypothesis ??

a 1 tailed and 2 tailed hypothesis can some 1 provide me an example of a 1 tailed and 2 tailed hypothesis thank you
What IS A Wilcoxson test, Manny whitney, Sign Test & chi squared test
 

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Saying that "the mean is greater than .5" is a one tailed hypohesis. Saying that "the mean is not equalt to .5" (so that is may be greater than or less than") is a two tailed hhypothesis.
 

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