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Question

Your sample consists of 22 subjects, with a mean of 55 and standard deviation of 1.42.Calculate the test statistic, rounded to 2 decimal places.

t=

Answer 1

Use the t-score formula to find the test statistic.

t = (X - μ) / (σ/√n) = (55 - 54.29) / (1.4/√22) = 2.35