Understanding Bar Charts

What is the primary purpose of using a bar chart?

• To confuse the viewer

• To create artistic representations

• To display data clearly and simply

• To complicate data interpretation

What must be included at the top of a bar chart?

• Complex graphics

• A detailed description

• A title

• A legend

How can you determine the number of robins from the bar chart?

• Reading the value at the top of the bar

• Measuring the bar with a ruler

• Guessing the number

• Asking an expert

What is the difference in number between robins and sparrows observed?

• 3

• 6

• 12

• 9

What should the labels along the bottom of the bar chart indicate?

• The quantity of each category

• The title of the chart

• The types of data

• The creator of the chart

What does the scale on the side of a bar chart help with?

• Color coding the chart

• Recording the numerical data

• Naming the chart

• Determining the thickness of the bars

In the drinks sold example, what does the frequency column represent?

• Types of drinks

• Price of each drink

• Duration of drink sales

• Number of each drink sold

How many teas were sold according to the bar chart?

• 18

• 8

• 12

• 22

What ensures clarity between different bars in a bar chart?

• Color differences

• The labels used

• Spacing between the bars

• The height of the bars

What is essential to include on the vertical axis of a bar chart?

• Decorative images

• The title of the chart

• The numerical scale

• The categories being compared