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Cholesterol medication for male teenagers

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Reference no: EM132202166

Doctors are researching a new cholesterol medication for male teenagers. Eighteen (18) randomly selected male teenagers have taken the new medication for six weeks. The doctors want to create 95% confidence interval to estimate the true mean cholesterol level of male teenagers that take the new medication. Their data follow a normal distribution and the population standard deviation is σ=30

Have the requirements for the confidence interval been satisfied? Why or why not?

Yes. The distribution of sample means is normal because the data are normal.

Yes. The distribution of sample means is normal because the sample size is large.

No. The distribution of sample means is not normal because the sample size is small.

No. The distribution of sample means is not given to be normal.

Reference no: EM132202166

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