Mathematics, 21.04.2021 16:30, Jazzyyyy088888

A study of a local high school tried to determine the mean number of text messages that each student sent per day. The study surveyed a random sample of 70 students in the high school and found a mean of 161 messages sent per day with a standard deviation of 68 messages. Determine a 95% confidence interval for the mean,

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A study of a local high school tried to determine the mean number of text messages that each student...