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  3. testing:h0: ? = 18.9h?: ?< 18.9your sample cons

Testing:H0: ? = 18.9H?: ?< 18.9Your sample consists of 27 subjects, with a mean of...

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Testing:H0: ? = 18.9H?: ?< 18.9Your sample consists of 27 subjects, with a mean of 18.4 and standard deviation of 1.54.Calculate the test statistic, rounded to 2 decimal places.

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