Studied by 18 people
What is a population?
The whole set of items that of inerest
What is an element?
An individual data point or observation within a dataset.
What is a sample?
A selection of observations take from the population
What is strata?
Divisions within a population based on certain characteristics or attributes shared by the individuals or items in each subgroup
What is a census
measures every member of a population
What is a sampling unit
An individual of the population
What is a sampling frame
a list of the items or people forming a population from which a sample is taken
what is simple random sampling
every member of the population has the same probability of being selected
what is systematic sampling
ask every xth person (selecting members of a population at regular intervals)
what is stratified sampling
split into groups, take a certain amount of people from each group
what is quota sampling
split into groups, take the same number of people from each group
what is opportunity sampling
ask the first x people you come across
