Percentages Flashcards
1
Q
Make data:
A
comparable
2
Q
Percentages enable a comparison of groups/populations of
A
different sizes
3
Q
Take account the size of the group by either taking:
A
- the % of one group compared to another [out of 100]
- the rate that something occurs amongst every 1000 people of a specific group [frequency per 1000]
4
Q
Creating %s from figures:
A
- Take the number (767,366)
- Divide by total (1,141,839)
- 0.67 - this is the proportion
- Multiply proportion by 100 to get % (67%)
5
Q
PRO of using %s:
A
Can help to make fairer comparisons where the quantities we are comparing are on different scales
6
Q
CONS of using %s:
A
- Don’t tell us the baseline figures
- Can be used to make changes seem very dramatic (multiplicative rather than additive)
