Green Bridge Learning Resource For Statistical Charts: Bar, Dot, Line, Pie, Scatter

Overview

Different data calls for different pictures. A bar chart compares categories, a pie chart shows shares of a whole, a line graph follows change over time, and a scatter plot reveals a relationship between two variables. Choosing and reading the right one is a core data skill.

In this lesson you will read, interpret and choose between bar charts, dot plots, line graphs, pie charts and scatter plots, knowing what each display is good at showing.

Lesson Evaluation

Congratulations on completing the lesson on Statistical Charts: Bar, Dot, Line, Pie, Scatter. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

Which chart is best for showing parts of a whole? A. bar chart B. line graph C. pie chart D. scatter plot Answer: C
In a pie chart, a 90 degree sector represents what fraction of the whole? A. 1/2 B. 1/3 C. 1/4 D. 1/8 Answer: C
Which chart best shows how a quantity changes over time? A. bar chart B. line graph C. pie chart D. dot plot Answer: B
Which chart shows the relationship between two variables? A. bar chart B. pie chart C. scatter plot D. line graph Answer: C
A bar chart is most useful for: A. parts of a whole B. comparing categories C. correlation D. change over time Answer: B