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Line Graphs

Revise Line Graphs in Statistics for GCSE Mathematics with 10 exam-style questions and 20 flashcards. This topic appears less often, but it can still pick up marks when it appears in mixed-topic papers.

Study this topic

1

Following the Journey of Data

Introduction2

Key Facts About Line Graphs

Key Facts3

Line Graph Example: Temperature Changes

Diagram4

Types of Line Graphs

Deep Dive5

Reading Line Graphs

Deep Dive6

Multiple Line Graph Example

Diagram7

Exam Tips for Line Graphs

Exam Tips8

Advanced Line Graph Concepts

Deep Dive9

Common Mistakes to Avoid

Exam Tips

Sample Flashcards

What is a line graph?
A line graph is a type of chart that displays data as points connected by straight lines. It's used to show how data changes over time or across a continuous variable.
When should you use a line graph?
Use line graphs to: • Show changes over time • Display continuous data • Show trends and patterns • Compare multiple datasets • Enable interpolation and extrapolation

Sample Questions

A time series graph is used to show:

  • A. The relationship between two variables
  • B. How data changes over time
  • C. The frequency of different categories
  • D. The spread of a data set
1 markfoundation

A time series graph shows house prices from 2015 to 2023. A student extends the line to predict the house price in 2030. Explain why this prediction might be unreliable.

2 marksstandard

10

exam-style questions

20

revision flashcards

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