Section 1.2 Flashcards
Sample versus Population Statistical Inference Sampling Bias Simple Random Sample Other Sources of Bias (5 cards)
1
Q
Population
A
Includes all individuals or objects of interest
2
Q
Sample
A
is all the cases that we have collected data on
(a subset of the population)
3
Q
Statistical Inference
A
The process of using data from a sample to gain information about the population
4
Q
Sampling Bias
A
Occurs when the method of selecting a sample causes the sample to differ from the population in some relevant way
5
Q
Simple Random Sample
A
Each unit of the population has the same chance of being selected, regardless of the other units chosen for the sample