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Assume that the sample is a simple random sample obtained from a normally distributed population of weights of the aspirin in Bayer tablets. Use the table below to find the minimum sample size needed to be 95% confident that the sample standard deviation s is within 20% of o. Is this sample size practical? 6 To be 95% confident that s is within of the value of o, the sample size n should be at least To be 99% confident that s is within of the value of o, the sample size n should be at least The minimum sample size needed is 1% 5% 19,205 768 1% 10% 20% 30% 40% 50% 192 48 21 12 8 5% 10% 20% 30% 40% 50% 33,218 1,336 336 85 38 22 14

Assume that the sample is a simple random sample obtained from a normally distributed population of weights of the aspirin in Bayer tablets. Use the table below to find the minimum sample size needed to be 95% confident that the sample standard deviation s is within 20% of o. Is this sample size practical? 6 To be 95% confident that s is within of the value of o, the sample size n should be at least To be 99% confident that s is within of the value of o, the sample size n should be at least The minimum sample size needed is 1% 5% 19,205 768 1% 10% 20% 30% 40% 50% 192 48 21 12 8 5% 10% 20% 30% 40% 50% 33,218 1,336 336 85 38 22 14

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Assume that the sample is a simple random sample obtained from a normally distributed population of weights of the aspirin in Bayer tablets. Use the table below to find the minimum sample size needed to be 95% confident that the sample standard deviation s is within 20% of o. Is this sample size practical? 6 To be 95% confident that s is within of the value of o, the sample size n should be at least To be 99% confident that s is within of the value of o, the sample size n should be at least The minimum sample size needed is 1% 5% 19,205 768 1% 5% 10% 20% 30% 40% 50% 192 48 21 12 8 10% 20% 30% 40% 50% 33,218 1,336 336 85 38 22 14
Transcribed Image Text:Assume that the sample is a simple random sample obtained from a normally distributed population of weights of the aspirin in Bayer tablets. Use the table below to find the minimum sample size needed to be 95% confident that the sample standard deviation s is within 20% of o. Is this sample size practical? 6 To be 95% confident that s is within of the value of o, the sample size n should be at least To be 99% confident that s is within of the value of o, the sample size n should be at least The minimum sample size needed is 1% 5% 19,205 768 1% 5% 10% 20% 30% 40% 50% 192 48 21 12 8 10% 20% 30% 40% 50% 33,218 1,336 336 85 38 22 14
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