5A
100
What is an experiment?
Researchers apply a treatment to some or all of the sample members ad then observe the effects of the treatments.
200
What is stratified sampling?
Identify the sampling method:
A study of antidepressants selects 50 participants between the ages of 20-29, 50 participants between the ages of 30-39, and 50 participants between the ages of 40-49.
300
What is qualitative?
Determine if qualitative or quantitative.
The birth months of individuals.
400
What is quantitative?
Determine if qualitative or quantitative.
The annual salaries of NFL players.






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