Essay
Coffee Breaks Narrative
Do government employees take longer coffee breaks than private sector workers? That is a question that interested a management consultant. To examine the issue, he took a random sample of ten government employees and another random sample of ten private sector workers and measured the amount of time (in minutes) they spent in coffee breaks during the day. The results are listed below. 
-Refer to Coffee Breaks Narrative. Estimate with 95% confidence the difference between the two groups in coffee break mean time.
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