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Activity trackers are electronic devices that people wear to record physical activity. Researchers wanted to estimate the mea
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Given n=61, X = 9797 , 8= 2313 tc = 2.66 CZ = X I te soor CI = 9797 + 2.66 X 2213 - 6 CI = [goog.ay , 10584.76] part 6 seen

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