7th data and stats vocab

Front

Visual representation of data as parts of a circle, each portion shows a percent of 100.

Back

Circle Graph

Front

Decision for the whole population based on sample data, using proportions.

Back

Population Inference

Front

Bigger group when data is collected.

Back

Population

Front

A portion or subset of a large group, used for data collection.

Back

Sample

Front

A sample collected where every subject has an equal chance of selection, like drawing a name from a hat.

Back

Random Sample

Front

Gathering data favoring one side of the population

Back

Bias

Front

Visual representation of data using bars

Back

Bar Graph

Front

Sample taken from what is easiest for the researcher, often biased and not representative of the population.

Back

Convenience Sample

Front

A sample that represents the population for accurate inferences.

Back

Representative Sample

Front

Gathering data fairly for the population

Back

Unbiased