Presentation is loading. Please wait.

Presentation is loading. Please wait.

Statistics 3502/6304 Prof. Eric A. Suess Chapter 3.

Similar presentations


Presentation on theme: "Statistics 3502/6304 Prof. Eric A. Suess Chapter 3."— Presentation transcript:

1 Statistics 3502/6304 Prof. Eric A. Suess Chapter 3

2 Data Description – Two or more Variables How to plot data collected on two or more variables. See the comparisons. See the associations.

3 Two Qualitative Variables Contingency Tables, 2-by-2 tables Stacked Bar Graphs Cluster Bar Graphs

4 Two Qualitative Variables Exercise 3.39 Frequency counts

5 Two Qualitative Variables

6 Two tutorial website Libre Office is an open source Office package. It has a nice spreadsheet program. Lets see an example of Categorical data and making Pivot Tables. LibreOffice Calc Tutorials pivot.ods LibreOffice Calc Tutorialspivot.ods MS Excel Tutorials GCF LearnFree.orgGCF LearnFree.org

7 One Quantitative Variable and One Qualitative Variable Exercise 3.40 Contact lenses

8 Two Quantitative Variables

9 Timeplot Exercise 3.67

10 Two Quantitative Variables Scatterplot Exercise 3.68

11 Correlation

12 Exercise 3.68 Compute the correlation between Calories and Pounds of Sugar Correlation: Pounds, Calories Pearson correlation of Pounds and Calories = 0.986

13 Three or more Quantitative Variables Scatterplot Matrix

14 Next Time Review for the Midterm Start Chapter 4 Probability


Download ppt "Statistics 3502/6304 Prof. Eric A. Suess Chapter 3."

Similar presentations


Ads by Google