Find the appropriate critical statistic for one tailed test

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Find the appropriate critical statistic for : A one tailed test in the positive direction with 15 observations with alpha equal to 0.001.

Find the critical statistic for a one tailed test in the negative direction with 25 observations and alpha equal 0.01.

Find the appropriate critical statistic for a two tailed test with 20 observations and alpha equal to 0.05.

Reference no: EM13240490

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