Measures of central tendency Flashcards
1
Q
What is the mean?
A
Statisical average
2
Q
Strengths of the mean
A
- Uses all data
- Most powerful and sensitive
- Suitable for use with interval/ratio data
3
Q
Weaknesses of the mean
A
- Can be misrepresentative if there are extreme values
4
Q
What is the median?
A
Middle value
5
Q
Strengths of the median
A
Relatively unaffected by extreme values
6
Q
Weaknesses of the median
A
Not as sensitive as the mean as not all values are reflected
7
Q
What is the mode?
A
Most common number
8
Q
Strengths of the mode
A
Useful when data are in categories
9
Q
Weaknesses of the mode
A
Not used a lot as there can be multiple modes and it doesn’t tell a lot about the rest of the scores
