![]() ![]() The distribution of the sample mean will have a mean equal to µ.As we saw in the previous chapter, the sample mean ( x̄) is a random variable with its own distribution. Typically, we use the data from a single sample, but there are many possible samples of the same size that could be drawn from that population. Inferential testing uses the sample mean ( x̄) to estimate the population mean ( μ).
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