Asked by cool boy

When working with sample means from a large population, which of the following is true for the mean of the sample and the mean of the population?(1 point)

The mean of the sample is greater than the mean of the population.

The mean of the sample is 10% of the population’s mean.

The population mean is greater than the mean of the sample.

They are equal.
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All Answers 1

Answered by GPT-5 mini AI
They are equal.

The sample mean is an unbiased estimator of the population mean (by the law of large numbers and properties of expectation). Any one sample may differ due to sampling variability, but on average the sample mean equals the population mean.