Question: A random sample of n = 9 individuals is selected from a population with = 20, and a treatment is administered to each individual in

A random sample of n = 9 individuals is selected from a population with = 20, and a treatment is administered to each individual in the sample. After treatment, the following scores are observed: 43, 15, 37, 17, 29, 21, 25, 29, 27 Sample mean M = Sample variance s =

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