A company randomly selected nine office employees and secretly monitored their computers for one month. The times (in hours) spent by these employees using their computers for non-job-related activities (playing games , personal communications , etc.) during this month are given below . 7 12 9 8 11 4 14 1 6 Assuming that such times for all employees are normally distributedmake a 95% confidence interval for the corresponding population mean for all employees of this company

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A company randomly selected nine office employees and secretly monitored their computers for one month. The times (in hours) spent by these employees using their computers for non-job-related activities (playing games , personal communications , etc.) during this month are given below . 7 12 9 8 11 4 14 1 6 Assuming that such times for all employees are normally distributedmake a 95% confidence interval for the corresponding population mean for all employees of this company

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