L1 - Introduction to Statistics Flashcards
What are the 2 types of data?
Categorical and Continuous
What is categorical data?
Give examples
Discrete groups e.g., sex, species, treatment (1=treated 2=not treated), birth order, diagnostic label
What kind of data is categorical data?
Qualitative
What is continuous data?
Give examples
Numbers that can take any value
e.g., body weight, height, reaction time, IQ, calorie intake
What type of data is continuous data?
Quantitative
What are the 2 sub-sections of categorical data
Nominal
Ordinal
What are the 2 sub-sections of continuous data?
Interval
Ratio
What is nominal data?
Give examples
Dara that’s used to label variables WITHOUT providing any quantitative value.
e.g., sex, ethnicity, eye colour
What is ordinal data?
Give examples
Data that can be ranked or ordered
e.g., position in a race/ career
What is interval data?
Give examples
Data that is measured along a scale, where each point is placed at equal distance from each other.
e.g., temperature, calendar year
What is ratio data?
Give examples
Same as interval data but there’s an “absolute zero” which is treated as the starting point.
e.g., mass, length, time