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Determine the standard deviation of the random variable

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The ages of 5 students in a class are: 22, 20, 22, 24, 19. There is an equal probability of selecting one of them randomly. Determine the standard deviation of the random variable "student age in the class." (Type the numerical answer rounded to the first decimal.) Hint: You need to determine the variance first.

Reference no: EM133265962

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