Understanding Charts and Graphs

What is the horizontal axis of a chart commonly called?

• Y-axis

• X-axis

• Z-axis

• W-axis

In a line graph, what does the slope of the line represent?

• The total value

• The rate of change

• The maximum value

• The minimum value

What is the purpose of gridlines in a chart?

• To add colour

• To provide a background

• To help read values accurately

• To make the chart look complex

If a line graph shows a steady upward trend, what does this indicate about the data?

• The data is decreasing

• The data is constant

• The data is increasing

• The data is fluctuating

What does the title of a chart usually describe?

• The type of chart

• The data source

• The main topic or purpose of the chart

• The colours used in the chart

When interpreting a line graph, what does a flat horizontal line indicate?

• Rapid increase

• Rapid decrease

• No change

• Fluctuation

What is the vertical axis of a chart commonly called?

• X-axis

• Y-axis

• Z-axis

• W-axis

What does a downward sloping line in a line graph typically indicate?

• Data is constant

• No change in data

• Decrease in data

• Increase in data

Which part of a chart helps to identify the units of measurement used?

• Legend

• Title

• Axis labels

• Gridlines