Topic 6 Vocabulary

Front

The complete set of items being studied.

Back

Population

Front

The set of all possible outcomes of an action.

Back

Sample (sample space)

Front

Accurately reflects the characteristics of the entire population.

Back

Representative sample

Front

Each member of the population has an equal chance of being included; this is an example of a representative sample.

Back

Random sample

Front

A conclusion made by interpreting data.

Back

Inference

Front

An inference based on a representative sample with enough data to support it; likely to be true about the population.

Back

Valid inference

Front

The middle data point after the data has been ordered least to greatest.

Back

Median

Front

The average of the data; add all data points and divide by the total number of data points.

Back

Mean

Front

Greatest value minus lowest value.

Back

Range

Front

Q3 minus Q1.

Back

Interquartile Range