SESSION:10 Hypothesis Testing with Two Samples
10.2 Cohen’s Standards for Small, Medium, and Large Effect Sizes
Session:10 Hypothesis Testing with Two Samples 10.2 Cohen’s Standards for Small, Medium, and Large Effect Sizes 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 Cohen’s d is a measure of “effect size” based on the differences between two means. […]
SESSION:10 Hypothesis Testing with Two Samples
10.1 Comparing Two Independent Population Means
Session:10 Hypothesis Testing with Two Samples 10.1 Comparing Two Independent Population Means 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 comparison of two independent population means is very common and provides a way to test the […]
SESSION:9 Hypothesis Testing with One Sample
Solutions
Session:9 Hypothesis Testing with One Sample 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. The random variable is the mean Internet speed in Megabits per second. 3. The random variable is the mean number of […]
SESSION:9 Hypothesis Testing with One Sample
References
Session:9 Hypothesis Testing with One Sample 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 9.1 Null and Alternative Hypotheses Data from the National Institute of Mental Health. Available online at http://www.nimh.nih.gov/publicat/depression.cfm. 9.4 Full Hypothesis Test Examples Data from […]
SESSION:9 Hypothesis Testing with One Sample
Homework
Session:9 Hypothesis Testing with One Sample 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 9.1 Null and Alternative Hypotheses 45. Some of the following statements refer to the null hypothesis, some to the alternate hypothesis. State the […]
SESSION:9 Hypothesis Testing with One Sample
Practice
Session:9 Hypothesis Testing with One Sample 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 9.1 Null and Alternative Hypotheses 1. You are testing that the mean speed of your cable Internet connection is more than three Megabits […]
SESSION:9 Hypothesis Testing with One Sample
Formula Review
Session:9 Hypothesis Testing with One Sample 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 9.3 Distribution Needed for Hypothesis Testing Sample size Test statistic < 30 (σ unknown) tc=X¯¯¯−μ0s/n√ ��=�¯–�0�/� < 30 (σ known) Zc=X¯¯¯−μ0σ/n√ ��=�¯–�0�/� […]
SESSION:9 Hypothesis Testing with One Sample
Chapter Review
Session:9 Hypothesis Testing with One Sample 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 9.1 Null and Alternative Hypotheses In a hypothesis test, sample data is evaluated in order to arrive at a decision about some type […]
SESSION:9 Hypothesis Testing with One Sample
Key Terms
Session:9 Hypothesis Testing with One Sample 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) that arises from Bernoulli trials. There are a fixed number, n, of independent trials. “Independent” […]
SESSION:9 Hypothesis Testing with One Sample
9.4 Full Hypothesis Test Examples
Session:9 Hypothesis Testing with One Sample 9.4 Full Hypothesis Test Examples 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 Tests on Means EXAMPLE 9.8 Problem Jeffrey, as an eight-year old, established a mean time of 16.43 seconds for swimming the […]