General Data information Flashcards
data
information about something/someone
data set
collection/bundle of information about something/someone
data point
individual pieces of information about something/someone
nominal data - scale characteristics
categorized, not ranked, magnitude not measured
ordinal data - scale characteristics
categorized, ranked, magnitude not measured
interval data - scale characteristics
categorized, ranked, magnitude measured
ratio data - scale characteristics
categorized, ranked, magnitude measured, 0 represents total absence of trait being measured
nominal data - types of measurement
categories must be mutually exclusive and exhaustive
ordinal data - types of measurement
ordering must be transitive
interval data - types of measurement
intervals on scale must be equal
what does the type of data determine?
type of statistical analysis
can the magnitude of categorical data be measured?
no
can the magnitude of continuous date be measured?
yes
scale characteristics - first
categorize and count data
scale characteristics - second
rank data