Circle Graphs, Bar Graphs, & Dot Plots (7.6G)

Front

What is a circle graph?

Back

A circle graph, or pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions.

Front

What is a bar graph?

Back

A bar graph is a chart that presents categorical data with rectangular bars with lengths proportional to the values they represent.

Front

What is a dot plot?

Back

A dot plot is a simple display of data using dots, where each dot represents one count of a value.

Front

How do you calculate the percentage of a group?

Back

To calculate the percentage, divide the part by the whole and multiply by 100.

Front

What does it mean if a bar is twice as long as another in a bar graph?

Back

It means that the category represented by the longer bar has twice the value of the category represented by the shorter bar.

Front

How can you determine the favorite type of music from a bar graph?

Back

Look for the tallest bar, which represents the most popular choice.

Front

What is the purpose of a dot plot?

Back

A dot plot is used to show the frequency of data points in a simple and clear way.

Front

What does it mean if a statement about data is false?

Back

It means that the statement does not accurately represent the information shown in the graph or data set.

Front

How do you round a percentage to the nearest whole number?

Back

Look at the first decimal place: if it's 5 or more, round up; if it's less than 5, round down.

Front

What is the total number of cars registered if 1/4 were registered in Florida and there were 500 cars?

Back

If 1/4 were registered in Florida, then 125 cars were registered there.