1
Q
mean
A
the sum of a set of numbers divided by the number of numbers in the set
2
Q
media
A
the middle number when data are
arranged in numerical order; if there is an even number of data, the median is the mean of the two middle numbers
3
Q
mode
A
the number that occurs most often in a set of numbers
4
Q
primary data
A
data collected by oneself; first-hand
5
Q
secondary data
A
data not collected by oneself, but by others; data found in a library or the internet
6
Q
range
A
the difference between the greatest and least numbers in a data set
math
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