Levels of measurement and averages Flashcards
categorising definition
tallying/counting. divide data into categories and count them e.g. categorising sociology and criminology students
problem with categorising
can be complicated to determine categories if based upon arbitrary terms
variable definition
something that can be altered/changed e.g. male/female
categorical data definition
put data into groups (categories)
continuous data definition
can be measured
discrete data
has to be a whole figure (only takes certain values) e.g. number of pupils in a class
radio
continuous data that has to have a true 0
interval
continuous doesn’t have to have a true 0
ordinal
categorical ordered data e.g grades A, B, C
nominal data
categorical data that doesn’t have a set order e.g. ethnicity’s
average are measured by:
methods of central tendency (mean, median, mode)