SESSION:9 Hypothesis Testing with One Sample
9.3 Distribution Needed for Hypothesis Testing
Session:9 Hypothesis Testing with One Sample 9.3 Distribution Needed for Hypothesis Testing 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 Earlier, we discussed sampling distributions. Particular distributions are associated with hypothesis testing.We will perform hypotheses tests of […]
SESSION:9 Hypothesis Testing with One Sample
9.2 Outcomes and the Type I and Type II Errors
Session:9 Hypothesis Testing with One Sample 9.2 Outcomes and the Type I and Type II Errors 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 When you perform a hypothesis test, there are four possible outcomes depending on […]
SESSION:9 Hypothesis Testing with One Sample
9.1 Null and Alternative Hypotheses
Session:9 Hypothesis Testing with One Sample 9.1 Null and Alternative Hypotheses 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 The actual test begins by considering two hypotheses. They are called the null hypothesis and the alternative hypothesis. These hypotheses contain opposing […]
SESSION:8 Confidence Intervals
Solutions
Session:8 Confidence Intervals 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 2. X is the number of hours a patient waits in the emergency room before being called back to be examined. X− �– is the mean wait time […]
SESSION:8 Confidence Intervals
References
Session:8 Confidence Intervals 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 8.1 A Confidence Interval for a Population Standard Deviation, Known or Large Sample Size “American Fact Finder.” U.S. Census Bureau. Available online at http://factfinder2.census.gov/faces/nav/jsf/pages/searchresults.xhtml?refresh=t (accessed July […]
SESSION:8 Confidence Intervals
Homework
Session:8 Confidence Intervals 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 8.2 A Confidence Interval for a Population Standard Deviation Unknown, Small Sample Case 102. In six packages of “The Flintstones® Real Fruit Snacks” there were five […]
SESSION:8 Confidence Intervals
Practice
Session:8 Confidence Intervals 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 8.2 A Confidence Interval for a Population Standard Deviation Unknown, Small Sample Case Use the following information to answer the next five exercises. A hospital is trying […]
SESSION:8 Confidence Intervals
Formula Review
Session:8 Confidence Intervals 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 8.2 A Confidence Interval for a Population Standard Deviation Unknown, Small Sample Case s = the standard deviation of sample values. t= x−−μsn√ �= �–−��� is the formula for […]
SESSION:8 Confidence Intervals
Chapter Review
Session:8 Confidence Intervals 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 8.2 A Confidence Interval for a Population Standard Deviation Unknown, Small Sample Case In many cases, the researcher does not know the population standard deviation, σ, […]
SESSION:8 Confidence Intervals
Key Terms
Session:8 Confidence Intervals Key Terms 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 Binomial Distribution a discrete random variable (RV) which arises from Bernoulli trials; there are a fixed number, n, of independent trials. “Independent” means that the […]