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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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mmi mmi
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A year ago
Faculty members at a local university complain that achieving tenure at their university takes much longer than at comparable universities. They randomly sample nine tenured faculty members at their university and find that the average time of service prior to tenure was 13.55 years, with a standard deviation of 1.98 years. What is a 95% confidence interval for the mean number of years of service to achieve tenure at this university?


▸

(12.028, 15.072)



▸

(12.057, 15.043)



▸

(12.256, 14.844)



▸

(8.984, 18.116)

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
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silvermoon197silvermoon197
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mmi Author
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A year ago
Just got PERFECT on my quiz
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Correct Slight Smile TY
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