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Mathematics, 07.04.2020 23:13 brittanybyers122

G Activity 2: Calculate a test statistic and confidence interval by hand. Phone usage apps track time spent on a device as well as check-ins, or how often the device is picked up or touched to check something. The current US average number of check-ins is 58 times per day. Is the mean number of check-ins different for current students at Penn State

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