Chapter 6 Flashcards
1
Q
evaluate how widely values are distributed
A
Measures of dispersion (variability)
2
Q
the mean difference between observations and the mean
A
standard deviation
3
Q
the average squared difference between observations and the
mean and simply the standard deviation squared
A
variance
4
Q
used to infer
characteristics of a population based on a sample
A
inferential statistics
5
Q
the mean of the summed absolute
differences
A
mean absolute deviation (MAD)