Zusammenfassung der Ressource
Distribution
- Skew
- Non normal
- more scores
on one side
- Types
- Kurtosis
- Platykurtic
- non normal widely
spaced low in center
- Leptokurtic
- non normal tall and closely
bunched in the center
- Normal Distribution
- Shape
- Bell Shaped
- Uses
- easy to compare 2 groups
- work out probability of
obtaining a score in the
distribution
- Z Scores
- standardised score expressed in standard
deviations units
- Properties
- area under curve = 1