Mathematics, 09.01.2020 03:31, sheilaaguilar2014

4. the standard deviation of the above distribution of sample mean number of text messages sent per day is 7.5. use this to calculate and interpret the margin of error for an estimate
of the population mean number of text messages sent daily by eleventh graders (based on a random sample of size 10 from this population).

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4. the standard deviation of the above distribution of sample mean number of text messages sent per...