Types of Graphs and Their Uses

The video tutorial covers the selection of appropriate graph types for data representation, focusing on histograms and circle graphs. It explains the differences between these graphs, particularly the use of intervals in histograms. The tutorial provides guidance on choosing the right display for various data sets, highlighting the characteristics and uses of different graph types, including bar graphs, box plots, line graphs, and line plots. Practical examples are given to illustrate the selection process, and the video concludes with a discussion on opinion-based graph selection and the importance of justification.

What is the key feature that distinguishes a histogram from a bar graph?

• The height of the bars

• The color of the bars

• The width of the bars

• The use of intervals

Which type of graph is best for showing the exact number of weeks a class collected between 30 and 39 pounds?

• Circle graph

• Bar graph

• Line graph

• Histogram

Which graph type is most suitable for displaying the percentage of time that 40 to 49 pounds of plastic was recycled?

• Histogram

• Circle graph

• Line plot

• Box plot

What does a bar graph typically show?

• Parts of data compared to the whole

• Number of items in specific categories

• Frequency of data with a number line

• Change over a period of time

Which graph type is useful for showing number variation in a large data set?

• Double bar graph

• Line graph

• Box plot

• Circle graph

What does a circle graph compare?

• Change over a period of time

• Frequency of data with a number line

• Parts of data to the whole

• Number of items in specific categories

Which graph type is best for comparing two sets of categorical data?

• Line graph

• Double bar graph

• Circle graph

• Histogram

What does a line graph show?

• Change over a period of time

• Frequency of data with a number line

• Parts of data compared to the whole

• Number of items in specific categories

Which graph type is appropriate for showing the number of boys of different age ranges participating in athletics?

• Circle graph

• Line plot

• Histogram

• Bar graph

What is the best graph type to compare the percentages of students in seventh grade who traveled by bus, car, or foot?

• Histogram

• Circle graph

• Line graph

• Box plot