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One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. A 95% confidence interval was found to

One hundred eight Americans were surveyed to determine the number of hours they spend watching television each month. A 95% confidence interval was found to be (142 hours, 163 hours). The confidence interval was calculated using t-methods.

What is the margin of error? Enter your answer to the first decimal place.

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