Pie Charts, Frequency Tables, Bar Graphs

Front

What is a pie chart?

Back

A pie chart is a circular graph divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the whole.

Front

How do you read a frequency table?

Back

A frequency table displays the number of times each value occurs in a dataset, allowing you to quickly see how often each category appears.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to compare quantities across categories.

Front

How do you determine the mode from a set of data?

Back

The mode is the value that appears most frequently in a dataset.

Front

What is the purpose of a legend in a graph?

Back

A legend explains the symbols, colors, or patterns used in a graph to help the reader understand what each represents.

Front

How can you find the total number of surveyed people from a pie chart?

Back

To find the total, you can use the proportion of a slice and the number it represents to calculate the whole.

Front

What does it mean if a bar is taller than others in a bar graph?

Back

A taller bar indicates a higher frequency or quantity for that category compared to others.

Front

How do you calculate the percentage represented by a slice in a pie chart?

Back

Divide the number of individuals in that category by the total number of individuals surveyed, then multiply by 100.

Front

What is the difference between a bar graph and a histogram?

Back

A bar graph displays categorical data with spaces between bars, while a histogram shows continuous data without spaces.

Front

How do you compare two categories using a frequency table?

Back

You can compare the counts of each category directly to see which has a higher or lower frequency.