Given the following information calculate the appropriate test statistics ( z obs or t obs ) for testing the equality of the population mean to the given value 0 and determine whether the test statistic falls into the appropriate two tailed rejection region at the 0 05 significance level 70 100 25 1 2 Is this correct

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Question: Given the following information calculate the appropriate test statistics ( z obs or t obs ) for testing the equality of the population mean to

Given the following information calculate the appropriate test statistics (z_obs or t_obs)for testing the equality of the population mean to the given value ₀and determine whether the test statistic falls into the appropriate two-tailed rejection region at the 0.05 significance level.

70-100/25 = -1.2

Is this correct

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