Data Distribution Flashcards
1
Q
Normal distribution features
A
- bell shaped
- symmetrical
- mean, median & mode are the same
- tail never touches on the graph
2
Q
Pos skew
A
Greater amounts of data clustered around lower value (floor effect)
3
Q
Neg skew
A
Greater amount of data clustered around a higher value (ceiling effect)
4
Q
Mean = roughly equal to mode / median = what skew
A
Symmetrical / normal distributed
5
Q
Mean greater than mode / media = what skew
A
Positive
6
Q
Mean less than mode /median = what skew
A
Negative