The assistant to the regional manager of a mid-size paper company wants to know if his subordinates waste time on their

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The Assistant To The Regional Manager Of A Mid Size Paper Company Wants To Know If His Subordinates Waste Time On Their 1 (25.89 KiB) Viewed 13 times

Research question: Do employees send more emails on averageusing theirpersonal email than their work email
a. calculate a 95% confidence interval for the parameter ofinterest
b.Interpret the confidence interval. (2pts)
c.Provide an answer to the assistant to the regional manager’sresearchquestion based on the confidence interval
The assistant to the regional manager of a mid-size paper company wants to know if his subordinates waste time on their personal email accounts instead of using their work email. To address the question, he has his cousin who works on his beet farm collect data on each of the 20 employees. The data below shows the average number of emails each employee (subordinate) sends in a week for both personal and work email accounts Employee 1 2 3 4 8 9 10 11 12 13 15 16 17 18 19 20 Personal 19 16 17 14 17 16 19 18 15 18 15 16 16 14 13 17 19 17 14 13 Work 21 20 20 21 26 25 17 23 23 24 25 17 25 24 26 23 23 23 23 22 Difference -2 -4 -3 -7 -9 2 -6 -10 -1 -9 -10 -13 -6 -4 -6 -9 -9 Average 16.15 22.55 St. Dev. 1.93 2.58 3.63 The assistant to the regional manager can sometimes be confusing in what he wants, so the explicit research question is given below.