Graphs for Categorical Data: Pie Charts and Bar Graphs

What type of data is typically represented using pie charts or bar graphs?

• Continuous data

• Categorical data

• Time-series data

• Binary data

How do you calculate the relative frequency of a category?

• Multiply the category count by the total count

• Add the category count to the total count

• Divide the category count by 100

• Divide the category count by the total count

Which species had the highest relative frequency in the data set?

• Loggerhead

• Green sea turtle

• Unknown species

• Hawksbill

Which button on a calculator helps start entering data for statistical calculations?

• Mode

• Func

• Alpha

• Stat

What function allows you to perform calculations across all entries in a list on a calculator?

• Sum

• Divide

• Average

• List function

What is the purpose of grouping values in a pie chart?

• All of the above

• To represent data more accurately

• To simplify the visual representation

• To reduce the total number of slices

In pie chart creation, what percentage close did three values sum up to, as mentioned in the tutorial?

• 75%

• 50%

• 100%

• 25%

What should be considered when setting the scale for the y-axis in a bar chart?

• The width of the bars

• The color of the bars

• The number of categories

• The maximum relative frequency

What is a recommended practice when spacing bars in a bar chart?

• Align bars to the left

• Leave space between bars

• Space bars according to their height

• Place bars closely without any space

What additional element is suggested to enhance the visual appeal of charts?

• Including detailed descriptions

• Using multiple colors

• All of the above

• Adding a legend