Q.1
The conductor has control over the environment in this setting
  • experiment
  • observational study
  • population
  • sample
Q.2
This sample consists of units of the population that chose to respond.
  • mandatory
  • census
  • volunteer
  • unbiased
Q.3
The conductor has no input or control over the environment in this situation
  • census
  • observational study
  • experiment
  • judgment
Q.4
Every possible group of units of the required size has the same chance of being the selected sample as any other sample of the same size.
  • Simple Random
  • Thoughtful
  • Typical
  • Proportional
Q.5
This sample is selected by dividing the population into subgroups and then taking a fixed number of units from each group using the simple random sample.
  • stratified
  • cluster
  • judgment
  • experimental
Q.6
Which of the following is the best definition of a simple random sample?
  • A sample created using random numbers
  • A sample where the simplest method of sampling is used
  • A sample which is representative of the population
  • A sample where each member of the population has an equal chance of being selected
Q.7
Selecting every 10th item in the population is an example of a ...
  • Systematic sample
  • Cluster sample
  • Stratified sample
  • Random sample
Q.8
You want to askstudents their opinions on school dinners so question the firststudents to enter the dinner hall at lunch time. This is an example of...
  • Random sampling
  • Cluster sampling
  • Opportunity sampling
  • Self-selected sampling
Q.9
Randomly selectingstudents from each year group in a school is an example of...
  • Simple random sampling
  • Stratified sampling
  • Systematic sampling
  • Quota sampling
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