Give value of calculated test statistic correctly rounded


Problem

A recent newspaper article claims that the mean number of screens per household is greater than 14.5 screens. A random sample of 47 households had a sample mean of 15.5 screens. Assume that the population standard deviation is known to be 4.5 screens. Give the value of the calculated test statistic, correctly rounded to two decimal places.

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Accounting Basics: Give value of calculated test statistic correctly rounded
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