To evaluate the effect of a treatment, a sample is obtained from a population with a mean
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Question:
To evaluate the effect of a treatment, a sample is obtained from a population with a mean of = 30, and the treatment is administered to the individuals in the sample. After treatment, the sample mean is found to be M = 31.3 with a standard deviation of = 3.
a. If the sample consists of n = 16 individuals, are the data sufficient to conclude that the treatment has a significance.
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