Understanding Bar Charts and Bar Graphs

This video tutorial by Anthony from Mashup Math explains how to read and create bar charts and bar graphs. It begins with an introduction to bar charts, highlighting their use in comparing and contrasting values. The first example involves creating a bar graph from survey data on students' favorite drinks, detailing the steps to label axes and construct bars. The second example focuses on reading a bar graph representing vegetable sales, emphasizing the importance of interpreting data accurately. The video concludes with a call to action to subscribe and download a free practice worksheet.

What is the primary purpose of a bar chart or bar graph?

• To display data in a circular format

• To compare and contrast values in relation to each other

• To show trends over time

• To list items in alphabetical order

What is the first step in creating a bar graph from a data chart?

• Label the horizontal axis

• Choose a color scheme

• Give the bar graph a title

• Draw the bars

When labeling the vertical axis for the favorite drinks bar graph, what scale was used?

• 0 to 15

• 0 to 10

• 0 to 20

• 0 to 5

How many students chose milk as their favorite drink?

• One

• Seven

• Three

• Six

For the favorite drinks bar graph, how many students chose soda?

• Five

• Three

• Seven

• One

In the vegetable sales bar graph, what is the vertical axis range?

• 0 to 200

• 0 to 50

• 0 to 100

• 0 to 150

How many pounds of radishes were shipped according to the vegetable sales bar graph?

• 50

• 60

• 75

• 90

What was the number of pounds of sweet potatoes shipped?

• 60

• 75

• 50

• 90

Which vegetable had the highest number of pounds shipped?

• Carrots

• Onions

• Sweet Potatoes

• Radishes

What is the shortest bar on the vegetable sales bar graph?

• Onions

• Radishes

• Cabbage

• Peppers