Five hundred randomly selected working adults living in Calgary, Question 1 Five hundred randomly selected working adults
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Five hundred randomly selected working adults living in Calgary,
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Question 1 Five hundred randomly selected working adults living in Calgary, Canada were asked how long, in minutes, their typical daily commute was. The table below shows 90% confidence interval results for the mean commute time of working adult Calgary residents. Label and answer the following items. One sample T summary confidence interval: μ: Mean of population 90% confidence interval results: Text Mean Sample Mean Std. Err. DF L. Limit 1.08 499 μ 27 4 pts U. Limit 30 1. Using the context, interpret the 90% confidence interval obtained from the above table. 2. Estimate the sample mean. Show complete work. 3. Estimate the sample standard deviation. Show complete work. 4. The width of the confidence interval with a sample size smaller than 500 will be (fill in: wider or narrower) than the width of the confidence interval with a sample size of 500. Question 1 Five hundred randomly selected working adults living in Calgary, Canada were asked how long, in minutes, their typical daily commute was. The table below shows 90% confidence interval results for the mean commute time of working adult Calgary residents. Label and answer the following items. One sample T summary confidence interval: μ: Mean of population 90% confidence interval results: Text Mean Sample Mean Std. Err. DF L. Limit 1.08 499 μ 27 4 pts U. Limit 30 1. Using the context, interpret the 90% confidence interval obtained from the above table. 2. Estimate the sample mean. Show complete work. 3. Estimate the sample standard deviation. Show complete work. 4. The width of the confidence interval with a sample size smaller than 500 will be (fill in: wider or narrower) than the width of the confidence interval with a sample size of 500.
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Related Book For
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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