To evaluate the effect of a treatment a sample is obtained

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To evaluate the effect of a treatment, a sample is obtained from a population, with a mean of u = 30, and the treatment is administered to the individuals in the sample. After the treatment, the sample mean is found to be M = 31.3 with a standard deviation of s= 3.

a) If the sample consists of n=16 individuals, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with alpha = 0.05.

b) If the sample consists of n=16 individuals, are the data sufficient to conclude that the treatment has a significant effect using a two-tailed test with alpha = 0.05.

c) Comparing your answer for parts a and b, how does the size of the sample influence the outcome of a hypothesis test

Reference no: EM13609848

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