Measures of Variability Flashcards
1
Q
what is variability
A
dispersion of the data. how do the independent values compare to measures of central tendency
2
Q
what are the two types of variances
A
population and sample
3
Q
what is deviation
A
how far apart the data points are from the mean
4
Q
how do you calculate deviation
A
subtract the mean from the data point
5
Q
what is standard deviation
A
a measure that is used to quantify the amount of variation or dispersion of a set of data value
