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Distributions Identify the distribution (normal, Student t, chi-square) that should be used in each of the following situations. If none of the three distributions can be used, what other method could be used?
a. In constructing a confidence interval of μ, you have 75 sample values and they appear to be from a population with a skewed distribution. The population standard deviation is not known.
b. In constructing a confidence
c. In constructing a confidence interval estimate of σ, you have 75 sample values and they appear to be from a population with a skewed distribution.
d. In constructing a confidence interval estimate of σ, you have 75 sample values and they appear to be from a population with a
e. In constructing a confidence interval estimate of p, you have 1200 survey respondents and 5% of them answered “yes” to the first question.
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Chapter 7 Solutions
Elementary Statistics (13th Edition)
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
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