SESSION:8 Confidence Intervals
8.4 Calculating the Sample Size n: Continuous and Binary Random Variables
Session:8 Confidence Intervals 8.4 Calculating the Sample Size n: Continuous and Binary Random Variables Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics Continuous Random VariablesUsually we have no control over the sample size of a data set. […]
SESSION:8 Confidence Intervals
8.3 A Confidence Interval for A Population Proportion
Session:8 Confidence Intervals 8.3 A Confidence Interval for A Population Proportion Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics During an election year, we see articles in the newspaper that state confidence intervals in terms of proportions or percentages. […]
SESSION:8 Confidence Intervals
8.2 A Confidence Interval for a Population Standard Deviation Unknown, Small Sample Case
Session:8 Confidence Intervals 8.2 A Confidence Interval for a Population Standard Deviation Unknown, Small Sample Case Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics In practice, we rarely know the population standard deviation. In the past, when the […]
SESSION:8 Confidence Intervals
8.1 A Confidence Interval for a Population Standard Deviation, Known or Large Sample Size
Session:8 Confidence Intervals 8.1 A Confidence Interval for a Population Standard Deviation, Known or Large Sample Size Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics A confidence interval for a population mean, when the population standard deviation […]
SESSION:7 The Central Limit Theorem
Solutions
Session:7 The Central Limit Theorem Solutions Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 1. U(24, 26), 25, 0.5774 N(25, 0.0577) 0.0416 3. 0.0003 5. 25.07 7. N(2,500, 5.7735) 0 9. 2,507.40 11. 10 110 110 13. […]
SESSION:7 The Central Limit Theorem
References
Session:7 The Central Limit Theorem References Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 7.1 The Central Limit Theorem for Sample Means Baran, Daya. “20 Percent of Americans Have Never Used Email.”WebGuild, 2010. Available online at http://www.webguild.org/20080519/20-percent-of-americans-have-never-used-email (accessed […]
SESSION:7 The Central Limit Theorem
Homework
Session:7 The Central Limit Theorem Homework Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 7.1 The Central Limit Theorem for Sample Means 49. Previously, De Anza statistics students estimated that the amount of change daytime statistics students carry […]
SESSION:7 The Central Limit Theorem
Practice
Session:7 The Central Limit Theorem Practice Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 7.2 Using the Central Limit Theorem Use the following information to answer the next ten exercises: A manufacturer produces 25-pound lifting weights. The lowest actual […]
SESSION:7 The Central Limit Theorem
Formula Review
Session:7 The Central Limit Theorem Formula Review Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 7.1 The Central Limit Theorem for Sample Means The Central Limit Theorem for Sample Means: X– �– ~ N(μx–, σn√) (��–, ��) Z=X–−μX–σX–=X–−μσ/n√ �=�–−��–��–=�––��/� The Mean X–:μx¯ �–:��¯ […]
SESSION:7 The Central Limit Theorem
Chapter Review
Session:7 The Central Limit Theorem Chapter Review Introductory Business Statistics | Leadership Development – Micro-Learning Session Rice University 2020 | Michael Laverty, Colorado State University Global Chris Littel, North Carolina State University| https://openstax.org/details/books/introductory-business-statistics 7.1 The Central Limit Theorem for Sample Means In a population whose distribution may be known or unknown, if the size (n) of […]