A sample of n 16 individuals is selected from a population with u 30 After a treatment is administered to the individuals the

Question

A sample of n 16 individuals is selected from a population with u 30 After a treatment is administered to the individuals the sample mean is found to be M 33 a If the sample variance is s2 16 then calculate the estimated standard error and determine whether the sample is sufficient to conclude that the treatment has a significant effect Use a two tailed test with a 05 b If the sample variance is s2 64 then calculate the estimated standard error and determine whether the sample is sufficient to conclude that the treatment has a significant effect Use a two tailed test with a 05 c Describe how increasing the

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