Mathematics, 19.05.2021 18:10 hdbvhf

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 96 students
in the high school and found a mean of 196 messages sent per day with a standard
deviation of 81 messages. At the 95% confidence level, find the margin of error for the
mean, rounding to the nearest whole number. (Do not write =).

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