Measures Of Variability Flashcards
1
Q
An indication how scores in a distribution are scattered or dispersed
A
Variability
2
Q
Statistics that describe the amount of variation in a distribution
A
Measures of Variability
3
Q
Equal to the difference between highest and the lowest score
A
Range
4
Q
Dividing points between the four quarters in the distribution
A
Quartile
5
Q
Refers to an interval
A
Quarter
6
Q
Measure of variability equal to the difference between Q3 and Q1
A
Interquartile Range
7
Q
Equal to the interquartile range divided by 2
A
Semi interquartile range
8
Q
Equal to the square root of the average squared deviations about the mean
A
Standard Deviation
9
Q
Equal to the arithmetic mean of the scores of the differences between the scores in a distribution and their mean
A
Variance
