Categorical Graphs

Topic Page

Questions

• How do you make a bar chart?
• How do you find the central angle of a pie chart for a section of the pie chart that represents 20% of the pie?
• Under what conditions can you not use a pie chart to display categorical (qualitative) data?
• What is the difference between categorical (qualitative) data and numerical (quantitative) data?
• What is the special name for a bar chart that displays the bars' frequencies from greatest to least?
• What kinds of data are properly displayed in a bar chart or pie chart?
• What are the imortant characteristics of a pie chart?
• How many runners took at least 30 min to finish the race?
• Question #f78b3
• Which chart type do you use to compare distinct objects over time using horizontal bars?
• Is age a discrete or continuous variable? Why?
• Is time discrete or continuous? Why?
• Is the gender of the next baby born at a particular hospital categorical or numerical? How can you tell?
• What does categorical data mean?
• Why don't we calculate the standard deviation with ordinal data?
• What is a numerical variable and what is a categorical variable?
• Can you find the mean of categorical data?
• Can you find the range for categorical data?
• Bar graphs are used to illustrate which type of data?