The Ghana Economic Management Association wishes to have information on the mean income of store managers in the retail industry. A random sample of 256 managers reveals a sample mean of Ghc45,420. The standard deviation of this population is Ghc2,050. What is a reasonable range of values for the population mean? Interpret your results.

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The Ghana Economic Management Association wishes to have
information on the mean income of store managers in the retail
industry. A random sample of 256 managers reveals a sample mean of
Ghc45,420. The standard deviation of this population is Ghc2,050. What
is a reasonable range of values for the population mean? Interpret
your results.

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