Math Revision

when comparing box plots, note the:

when comparing box plots, note the:

difference in median

difference in range

difference in interquartile range

categorical

aka qualitative

data in categories (eg red, yes, type)

numerical

aka quantitative

data in numbers (eg 1, 1.2)

nominal

no order categorical data

eg. red, white, blue

ordinal

ordered categorical data

eg. yes, maybe, no

discrete

quantitative data with only integers

eg. 1, 2, 3, 4

continuous

quantitative but can be divided into smaller parts (decimals)

eg. 1.4, 1.23, ½

or probability symbol

U

and probability symbol

upside down U