1.5 organising + interpreting data Flashcards
1
Q
Measures of central tendency
A
- Mean
- Median
- Mode
2
Q
Mean
A
Numerical average of a data set
- A - helpful when distributed around a centre/’normal distribution’.
- D - less helpful when values are widely distributed.
3
Q
Median
A
Middle value when highest to lowest
- A - useful when not distributed around the centre (less influenced by outliers).
4
Q
Mode
A
Most frequently occurring value.
5
Q
Measures of variability
A
- Range
- Standard deviation
6
Q
Range
A
Used to summarise overall dispersion/distribution of scores.
7
Q
Standard deviation
A
Describes the spread of data around the mean.
