Question: please do it in 10 minutes will upvote Question 6 (1 point) A random sample of 85 group leaders, supervisors, and similar personnel revealed that

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Question 6 (1 point) A random sample of 85 group leaders, supervisors, and similar personnel revealed that on the average a person spent 6.5 years on the job before being promoted. The standard deviation of the population was 1.7 years. Find the 95% confidence interval for the population mean. 4.15 and 7.15 None of the above 6.14 and 6.86 6.99 and 7.99 6.49 and 7.49

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