Experimental Design Vocab

Front

Choosing individuals from the population who are easy to reach

Back

convenience sample

Front

A statistical study shows this if it consistently underestimates or overestimates the value.

Back

bias

Front

Sample of size n chosen so that every group of n individuals has an equal chance of selection.

Back

SRS

Front

Using a chance process to select members of a population for a sample.

Back

random sampling

Front

People choosing themselves via a general invitation

Back

Voluntary response sample

Front

Classify population into groups, then choose separate SRS in each stratum to form the sample.

Back

stratified random sample

Front

Collects data from every individual in the population.

Back

Census

Front

Group of individuals we want info about

Back

population

Front

Systematic incorrect responses in a survey lead to:

Back

response bias

Front

Subset of individuals from which data is collected

Back

sample