A sample mean of 4.56 ounces was just measured from a population of which the population mean is not known.What value should be used for the population mean?

A) 2.125 ounces
B) none,since the population mean cannot be estimated
C) 4.56 ounces
D) the average of all the sample means

Sample Mean

The average of all the values in a sample, used as an estimate of the population mean.

Population Mean

The average value of all elements in a population, where the population represents the entire set of items or individuals being studied.

Ounces

A unit of weight typically used in the United States and the United Kingdom, equal to one-sixteenth of a pound.