Population Parameter

Question

Data consisting of values that describe the non-numerical categories

Statistics

Population

Representative sample

Qualitative data

Quantitative data
 

Question

Subset of the population from which data is obtained

Sample

Population

Qualitative data

Quantitative data
 

Question

The sum of all values divided by the total number of values

Statistics

Mode

Median

Mean

Standard deviation
 

Question

Neither the participants nor the experimenters know who is in the treatment group or control group

Statistics

Sample

Bias

Representative sample

Double-blind study
 

Question

The complete set of people or things being studied

Statistics

Population

Sample

Population parameter