Elementary Statistics Using The Ti-83/84 Plus Calculator, Books A La Carte Edition (5th Edition)
5th Edition
ISBN: 9780134688886
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 7.1, Problem 3BSC
To determine
To find: The values of , , n, E, p and .
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a) Using technology, find the 95% confidence interval for the population mean μ. (How do you use technology to find this? what are the steps?)
b. Name two things you could do to get a narrower interval than the one in part a.
I answered a higher confidence level, and increased sample size.
c. using technology, construct a 99% confidence interval.
Confidence Interval for Hemoglobin Large samples of women and men are obtained, and the hemoglobin level is measured in each subject. Here is the 95% confidence interval for the difference between the two population means, where the measures from women correspond to population 1 and the measures from men correspond to population 2: −1.76 g/dL < µ1 − µ2 < − 1.62 g/dL.
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b. Write a brief statement that interprets that confidence interval.
c. Write a brief statement that interprets that confidence interval.
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Chapter 7 Solutions
Elementary Statistics Using The Ti-83/84 Plus Calculator, Books A La Carte Edition (5th Edition)
Ch. 7.1 - Poll Results in the Media USA Today provided...Ch. 7.1 - Prob. 3BSCCh. 7.1 - Constructing and Interpreting Confidence...Ch. 7.1 - Prob. 17BSCCh. 7.1 - Critical Thinking. In Exercises 17-28, use the...Ch. 7.1 - Critical Thinking. In Exercises 17-28. use the...Ch. 7.2 - Prob. 1BSCCh. 7.2 - Prob. 9BSCCh. 7.2 - Prob. 14BSCCh. 7.2 - Prob. 19BSC
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