Ststistics Flashcards
1
Q
Definition mean
A
Adding up all items and dividing by number of items
2
Q
Strength of mean
A
Sensitive —> overall impression
3
Q
Limitation of mean
A
May be unrepresentative —> one large number distorts result
4
Q
Definition median
A
Middle value in ordered list
5
Q
Strength of median
A
Unaffected by extreme scores —> more representative
6
Q
Limitation of median
A
Not all scores included in calculation —> ignores extreme values
7
Q
Definition mode
A
Most common data item
8
Q
Strength of mode
A
Relevant to categorical data —> sometimes only appropriate measure
9
Q
Limitation of mode
A
Overly simple measurement
