A researcher is interested in finding a 90% confidence interval for the mean number of times per day that college studen

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A researcher is interested in finding a 90% confidence interval for the mean number of times per day that college studen

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A Researcher Is Interested In Finding A 90 Confidence Interval For The Mean Number Of Times Per Day That College Studen 1
A Researcher Is Interested In Finding A 90 Confidence Interval For The Mean Number Of Times Per Day That College Studen 1 (218.9 KiB) Viewed 23 times
A researcher is interested in finding a 90% confidence interval for the mean number of times per day that college students text. The study included 137 students who averaged 41.1 texts per day. The standard deviation was 12.2 texts. Round answers to 3 decimal places where possible. a. To compute the confidence interval use a ? distribution. b. With 90% confidence the population mean number of texts per day is between and texts. c. If many groups of 137 randomly selected members are studied, then a different confidence interval would be produced from each group. About percent of these confidence intervals will contain the true population number of texts per day and about contain the true population mean number of texts per day. percent will not
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