Survey Sampling definitions

Question 1

statistics

Answer 1

the measures that the describe the variable of a sample

Question 2

Parameters

Answer 2

the measures that describe a variable of a population.

Question 3

probability sample

Answer 3

a sample selected such that every possible sample has a known probability of selection.

Question 4

simple random sample

Answer 4

students selected at random. every student has the same chance of selection.

Question 5

stratified random sample

Answer 5

number chosen in each strata is proportional to breakdown population.

Question 6

cluster sampling

Answer 6

units are divided into clusters. Clusters are sampled randomly. Everyone in a selected cluster is included.

Question 7

systematic sampling

Answer 7

Select first unit at random. Select every kth unit after that. Every unit has the same chance of selection. However each sample does not have the same chance of selection.

Question 8

Two stage sampling

Answer 8

In the first stage, a simple random sample of clusters is selected.
In the second stage, a simple random sample is selected from the units in each sampled cluster.

Question 9

Target population

Answer 9

Population about which you want to make inferences.

Question 10

Stratification

Answer 10

Ensures an “efficient and population representative sample” Indicators incorporated into analysis.