Topic 6 Vocabulary Flash Cards

Front

The total group or objects that you will be taking your sample from.

Back

Population

Front

A small part or subset of the population that you are taking a survey on.

Back

Sample

Front

A sample that accurately reflects the characteristics of the entire population of the survey topic.

Back

Representative Sample

Front

A sample that is conducted completely at random. Each person in the population has an equal chance of being selected, which tends to generate a representative sample.

Back

Random Sample

Front

A sample doesn't accurately reflect the whole population or when the process of collecting or analyzing data introduces errors, whether intentionally or unintentionally.

Back

Biased Sample

Front

A sample gathered by following a specific set of rules to collect a random sample.

Back

Systematic Sample

Front

A conclusion that is true about the population based on a representative sample.

Back

Valid Inference

Front

A statement about a population that may not be accurate if the sample is not representative.

Back

Invalid Inference

Front

Measures the range within which the central half of your data values fall.

Back

Interquartile Range

Front

Measures the average distance between each data point and the mean of the data set

Back

Mean Absolute Deviation