Visually displaying data

Question 1

What are the 4 ways of displaying data?

Answer 1

1. Bar charts
2. Histograms
3. Pie chart
4. Scattergrams

Question 2

When are bar charts used?

Answer 2

• To plot data in the form of percentages and means
• Usually used for experiments and observations

Question 3

How do you get the full 4 marks when drawing a bar chart?

Answer 3

1. Must have a title
2. Axis must be labelled (both)
3. Data must be plotted correctly with non-touching bars

Question 4

When are histograms used?

Answer 4

• For continuous data

Question 5

How do you get the full 4 marks when drawing a histogram?

Answer 5

1. Must have a title
2. Axis must be labelled (both)
3. Data must be plotted correctly with touching bars

Question 6

When are scattergrams used?

Answer 6

• To display the results of correlations
• To plot individual scores

Question 7

How do you get the full 4 marks when drawing a scattergram?

Answer 7

1. Must have a title
2. Axis must be labelled (both)
3. Data must be plotted correctly with x’s