BIOS 603
Estimation
Learning Objective 15
Problems 6.5
Answer
1. Consider the applicant pool in problem two in the last section to be a population.
a. Draw a sample of 25 students. What is the standard error of the mean?
b. Draw a sample of 100 students. What is the standard error of the mean?
c. Complete parts a and b if the population standard deviation equals 50 instead of 25.
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Answer
Learning Objective 16
Put 95% and 99% confidence bounds around the means in problem 6.5 assuming the standard deviations are based on the population and again assuming they are based on the sample.
Problem 6.31
Answer
2. Put 95% confidence bounds around the means in problem one.
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Answer
Learning Objective 17
Problems 6.51, 6.52
Answer
Learning Objective 18
Rework problems 6.52 computing one sided confidence intervals.
Answer
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