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A survey of 31 people was conducted to compare their self-reported height to their actual height. The difference between reported height and actual height was
A survey of 31 people was conducted to compare their self-reported height to their actual height. The difference between reported height and actual height was calculated (D = Reported - Actual). You're testing the claim that the reported heights are greater than their actual heights. From the sample, the mean difference was 0.05, with a standard deviation of 0.42. Calculate the test statistic, rounded to two decimal places.
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