Bar charts (Edexcel GCSE Maths): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
Definition of a bar chart
Definition of a bar chart
Diagram using rectangular bars to show data values
Data sources for bar charts
Data sources for bar charts
Tally charts or frequency tables
Bar width requirement
Bar width requirement
Equal width for all bars to ensure fair comparison
Gaps between bars requirement
Gaps between bars requirement
Clear spaces to separate categories
What bar height represents
What bar height represents
Frequency or value for that category
Definition of dual bar chart
Definition of dual bar chart
Two sets of data displayed side by side
How dual bar chart datasets are distinguished
How dual bar chart datasets are distinguished
Different colours or patterns
Uses of dual bar charts
Uses of dual bar charts
Compare groups, time periods, or before/after results
First step reading a bar chart
First step reading a bar chart
Check the axes labels
Why check scale on bar charts
Why check scale on bar charts
To determine value intervals and ensure accuracy
First step creating a bar chart
First step creating a bar chart
Set up axes with labels and scales
Most important bar chart construction rule
Most important bar chart construction rule
Equal widths, clear gaps, accurate heights