Interpreting Statistics and Graphs
Statistical graphs display data visually to reveal patterns and trends. Year 6 students interpret and create dot plots, column graphs, line graphs, and pie charts.
What You Need to Know
Key Concept Diagram
Column graphs compare categories; the height of each bar shows the frequency
Line graphs show change over time — connecting data points reveals trends
Pie charts show parts of a whole; each sector represents a percentage
Dot plots display individual data values, making it easy to see the spread of data
Key Vocabulary
Column graph
A graph that uses vertical bars to compare categories or frequencies
Line graph
A graph that connects data points with lines to show change over time
Pie chart
A circular graph divided into sectors representing parts of a whole
Data
Information collected by observation, measurement, or survey
Knowledge Check
Select the correct answer for each question. Click "Check Answer" to see if you are right.
Question 1
A line graph is best used to display:
Question 2
In a pie chart, one sector is labelled 25%. If 200 students were surveyed, how many are in that sector?
Question 3
In a dot plot, several dots are stacked above one value. What does this mean?
Key Concepts Summary
- ●Column graphs compare categories; the height of each bar shows the frequency
- ●Line graphs show change over time — connecting data points reveals trends
- ●Pie charts show parts of a whole; each sector represents a percentage
- ●Dot plots display individual data values, making it easy to see the spread of data