Tally-Charts-And-Frequency-Tables Edexcel Foundation

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Exam code:1MA1

Tally charts & frequency tables

Tally charts are a quick way to count data
Each time you count an item, draw a vertical line
- Do this the first four times
- The fifth time, draw a diagonal line through the four vertical lines $up diagonal strike vertical line vertical line vertical line vertical line end strike$
- Continue counting in sets of five
For example
- Counting different coloured flowers in the garden

Colour	Tally
Blue	$up diagonal strike vertical line vertical line vertical line vertical line end strike$
Red	$up diagonal strike vertical line vertical line vertical line vertical line end strike space space up diagonal strike vertical line vertical line vertical line vertical line end strike space space vertical line vertical line space space$
Yellow	$vertical line vertical line vertical line$

A frequency table counts how many times an item appears
Tally charts can be converted into frequency tables
- Find the totals
  - Count up in 5’s then add any extras
  - $up diagonal strike vertical line vertical line vertical line vertical line end strike space up diagonal strike vertical line vertical line vertical line vertical line end strike space vertical line vertical line$ means 5 + 5 + 2 = 12
The tally chart above gives the following frequency table:

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