1
Q
absolute frequency
A
number of times a value is observed
2
Q
relative frequency
A
proportion of individuals having a certain value
3
Q
quantile
A
individual portion when data is divided into equal parts
4
Q
quartile
A
25% quantile
5
Q
percentile
A
0.01 quantile
6
Q
categorical/class variable
A
- describe membership in a category or group
- describe qualitative characteristics
7
Q
numerical/quantitative variable
A
- variables are numbers
- measurements are quantitative and have magnitude
8
Q
ordinal variables
A
different categories have an inherent order
9
Q
nominal variables
A
different categories do not have an inherent order
10
Q
discrete variables
A
variables are counted
11
Q
continuous variables
A
variables are measured
biol 300
flashcards
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