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    population standard deviation is not known

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    What kind of test is used if the population standard deviation is not known and is less than 30?

    © BrainMass Inc. brainmass.com March 4, 2021, 5:45 pm ad1c9bdddf
    https://brainmass.com/statistics/dispersion-and-spread-of-data/population-standard-deviation-not-known-9204

    Solution Summary

    The population standard deviation is examined. The kind of test is used if the population standard deviation is not known is given.

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