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Q1) Serum cholesterol levels in men aged 18-24 are normally distributed with mean of 178.1 and the standard deviation of 40.7. Units are mg/100 mL, and data are based on National Health Survey.
a) If 25 men aged 18-24 are arbitrarily chosen, determine probability that their mean serum cholesterol level is between 165 and 200.
b) Local hospital would wishes to establish criterion for recommending dietary changes if cholesterol levels are in top 5%. Determine the cutoff serum cholesterol for men aged 18-24?
Based on surveys conducted in 1989 and 1999, a researcher compared the proportion of high school age females interested in a career in science in 1989 with the proportion in 1999. He concluded that the proportions were not significantly different ..
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What can we conclude from this summary, Which of the following statements is correct and In which of the following situations would permutation tests be suitable
A manufacturer of billiard balls is testing three additives to the basic plastic. Show the partial ANOVA table
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