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Problem 2b: For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.

Problem 6: For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of individuals has a mean of 40, a standard deviation of 6, and follows a normal curve. For each sample, carry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved.

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The expert examines the population for a standard deviation. For each sample, the z test using the five step hypothesis testing for the two-tailed test at a 0.05 significance level is carried out.

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Problem 2b: For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.

Problem 6: For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of individuals has a ...

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