Mathematics, 22.04.2020 03:47 talanna394

A random sample of 15 group leaders, supervisors, and similar personnel revealed that a person spent an average 6.5 years on the job before being promoted. The standard deviation of the sample was 1.7 years. Using the 0.80 degree of confidence, what t-value should be used in computing an interval estimate

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A random sample of 15 group leaders, supervisors, and similar personnel revealed that a person spent...