Home > Flashcards > Print Preview
The flashcards below were created by user
nemothebest
on FreezingBlue Flashcards. What would you like to do?

Individuals
are the objects described by a set of data. Individuals may be people, but they may also be animals or things

Variable
is any characteristic of an individual. It can take different values for difference individuals

Categoral Variable
places an individual into one of several groups or categories

Quantitative variable
takes numerical values for which arithmetic operations such as adding and averaging make sense

distribution
of a variable tells us what values the variable takes and how often it takes these values

G.S.O.C.S
gap, shape, outliers, centre, spread

Histogram
 displays distribution of one quantitative variable
 bar widths must be equal
 do not pick too many or too few intervals
 4/5

Percentile
 the pth percentile of a distribution is the value such that 'p' percent of the observations fall "at or below" it.
 Ex.) if you receive a standardized test in the 70th percentile that 70%of the people were the same or below you

Ogive
a relative cumulative frequency graph

