Study sets, textbooks, questions
Upgrade to remove ads
EDF 701- (Describing Distriubtions)
Terms in this set (14)
Scores that are equally distributed throughout the distribution.
Scores that are unevenly distributed.
Have scores that tend to be heavily clusted with longer tails. (K>3)
have scores that do not heavily cluster with shorter tails. (K<3)
Have a balance between score clustering and tail length. (K=3) Perfect bell curve
Can describe distriubutions by their uniforminty or non uniform.
-Can describe by its semestry, is it ssymeitric or does it have a skewness
Distributions have only one mode
distrubtions have mulitple modes (a distruibtion with exactly two modes is bimodal)
the second way to describe a distrubtion's central tendecy.
sum of all scores from the medan is zero.
Sum of Squares
deviations from the mean is smaller than the sum of squares of the deviastions from any other value in the distrubtion.
The number of units between the lowest and the highest values in the distribution.
The average of the sum of squared distances from the mean for all the scores in the distriubtion.
The average distance from the mean for all the scores in the distribution.
Other sets by this creator
AMSCO AP World History Modern- Unit 8
AMSCO AP World History Modern- Unit 5
AMSCO AP World History Modern- Unit 2
AMSCO AP World History Modern- Unit 1