Mathematics, 12.04.2021 14:00 alosnomolina1122
The American Management Association wishes to have information
on the mean income of middle managers in the retail industry. A
random sample of 256 managers reveals a sample mean of 45420.
The standard deviation of this population is 2050. What is the
reasonable range of values for the population mean at 95%
confidence level?
Answers: 3
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The American Management Association wishes to have information
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