Learn to use Minitab to make inferences on whether there is independence between factors. For example, are surgical outcomes independent of hospital? If your grandmother needs to undergo a particular surgery, and there are 4 hospitals in the local area. Does it matter which hospital performs the surgery? You need to determine if the outcome is independent of, or dependent on the choice of hospital. Learn how to run the Chi-Square test for independence using Minitab.
- [Voiceover] In this movie, I will show you how to run…the chi-square test for independence using Minitab.…Open exercise file 05-02.…Here we have some data…regarding the outcomes from a particular surgery,…a month for hospitals locally.…Grandma has to undergo the surgery,…and your decision is to decide which hospital…to send Grandma to.…So the bigger question is Does the outcome of the surgery…depend on which hospital you go to?…We need to run the chi-square test for independence,…also called the chi-square test for association.…
To do that, go up to Stat, Tables,…Chi-Square Test for Association,…and our data is summarized in a two-way table,…so specify that,…and the columns that contain our data…are in columns C3 through C6.…The rows are the outcomes,…and the columns, we can name it.…Let's call it Hospital.…There we are, and we can look at the statistics we want.…Here we have the chi-square test.…The counts will be the actual counts.…
Expected counts,…and I like to see the contribution to chi-square…for each cell.…
Dr. Richard Chua shows how to import and organize data; open, save, and share Minitab worksheets and projects; create graphs and charts; and use descriptive statistics and statistical tests in Minitab to make inferences and data-driven decisions. Then learn how to make inferences on continuous data—running normality tests, variance tests, correlations, and simple regression tests. Finally, discover how to share your findings with others using reports and simple copy-and-paste techniques. Start watching to learn why Minitab is one of the world's most popular statistical software tools.
- Determine how to utilize display graphs and charts including bar, Pareto charts, and scatterplots.
- Recognize how to compare variance and multiple means.
- Identify how to compare medians.
- Explore how to run a multiple regression test and examine the resulting data.
- Break down how to compare inferences on continuous data.
- Differentiate how to compare proportions.
Skill Level Intermediate
Data Visualization for Data Analystswith Bill Shander1h 31m Beginner
Operational Excellence Foundationswith Richard Chua1h 32m Intermediate
1. Minitab Overview
2. Display Graphs and Charts
3. Describe Data with Statistics
4. Inferences on Continuous Data
5. Inferences on Categorical Data
6. Save and Share Your Work
Share outputs1m 7s
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