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Mathematics, 11.03.2020 04:37 zayzay162
A random sample of 85 group leaders, supervisors, and similar personnel at General Motors revealed that, on average, they spent 6.5 years in a particular job before being promoted. The standard deviation of the sample was 1.7 years.
Construct a 95% confidence interval. (Round your answers to 2 decimal places.)
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A random sample of 85 group leaders, supervisors, and similar personnel at General Motors revealed t...
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