What does the " sample mean " means in statistics?
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What is the sample mean? A sample mean is an average of a set of data. The sample mean can be used to calculate the central tendency, standard deviation and the variance of a data set. The sample mean can be applied to a variety of uses, including calculating population averages.
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a small part or quantity intended to show what the whole is like.
"investigations involved analysing samples of handwriting"
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