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Assume that the sample is a simple random sample obtained from a normally distributed population of IQ scores of statistics professors. Use the table below to find the minimum sample size needed to deviation s is within 40% of o. Is this sample size practical? To be 95% confident that s is within of the value of 6, the sample size 19.205 768 192 48 1% 5% 10% 20% 30% 40% 50% 21 12 8 n should be at least To be 99% confident that s is within of the value of 6, the sample size 33.218 1,336 336 In should be at least 1% 5% 10% 20% 30% 40% 50% 85 38 22 14 The minimum sample size needed is.

Assume that the sample is a simple random sample obtained from a normally distributed population of IQ scores of statistics professors. Use the table below to find the minimum sample size needed to deviation s is within 40% of o. Is this sample size practical? To be 95% confident that s is within of the value of 6, the sample size 19.205 768 192 48 1% 5% 10% 20% 30% 40% 50% 21 12 8 n should be at least To be 99% confident that s is within of the value of 6, the sample size 33.218 1,336 336 In should be at least 1% 5% 10% 20% 30% 40% 50% 85 38 22 14 The minimum sample size needed is.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Assume that the sample is a simple random sample obtained from a normally distributed population of IQ scores of statistics professors. Use the table below to find the minimum sample size needed to be 99% confident that the sample standard deviation s is within 40% of o. Is this sample size practical? 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 1% 5% 10% 20% 30% 40% 50% 12 * 21 12 19,205 768 48 1% 5% 10% 20% 30% 40% 50% 33,218 1,336 336 85 38 22 14 The minimum sample size needed is
Transcribed Image Text:Assume that the sample is a simple random sample obtained from a normally distributed population of IQ scores of statistics professors. Use the table below to find the minimum sample size needed to be 99% confident that the sample standard deviation s is within 40% of o. Is this sample size practical? 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 1% 5% 10% 20% 30% 40% 50% 12 * 21 12 19,205 768 48 1% 5% 10% 20% 30% 40% 50% 33,218 1,336 336 85 38 22 14 The minimum sample size needed is
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