Sampling and Parameters
To study the mean head size of all people in her state, Jacqueline collects data from 20
people in her town. Which type of sampling is used?
Cluster sampling
Stratified sampling
Systematic sampling
Convenience sampling Correct answer- Convenience sampling
This scenario demonstrates convenience sampling. Convenience sampling involves
selecting individuals from the population that are easily accessible, or from which data is
easily obtained.
In reference to different sampling methods, is the following statement true or false?
Cluster sampling includes the steps: divide the population into groups; use simple
random sampling to identify a proportionate number of individuals from each group.
True or False? Correct answer- False
Cluster sampling includes the steps: use simple random sampling to select a set of
groups; every individual in the chosen groups is included in the sample. Stratified
sampling includes the steps: divide the population into groups; use simple random
sampling to identify a proportionate number of individuals from each group.
What is all individuals, objects, or measurements whose properties are being studied?
population
variable
statistic
data Correct answer- population
A population is defined as all individuals, objects, or measurements whose properties
are being studied.