Mathematics, 19.09.2019 13:30 hlc614
Arandom 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.
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Arandom sample of 85 group leaders, supervisors, and similar personnel at general motors revealed th...
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