revision powerpoint: types of data Flashcards
Types of data
Categorical
Made up of categories eg. dog breeds
Types of data
Binary
two distinct types of things eg. male and female
Types of data
Nominal
named data that can’t be ranked eg. ethnicity
Types of data
Ordinal
data that can be ranked eg.
economy and business class
Happy, okay, sad
pain score
Types of data
Continuous
can take on any value within a range eg. weight, height, temp,
2 types: ratio and interval data
ratio: 0 means there is none
interval: there is no true zero eg. temp (0 degrees doesn’t mean there is not temperature)
Types of data
Ratio
TRUE ZERO
0 means there is none eg. no. of children
Types of data
Interval
NO TRUE ZERO
eg. temp (0 degrees doesn’t mean there is not temperature)
types of data
discrete
takes on certain values eg. number of children -you can not have half a child
discrete vs continuous
discrete: take on a certain value - no. of children
continuous: take on any value - temp
ratio vs interval
ratio- true zero eg. no. of children
interval - no true zero eg. temp