Algebra 1 Statistical Vocab Flashcards

Front

Categorical Data

Back

Data sets where the values are categorical. Tip: Categories -> Words

Front

Numerical Data

Back

Data sets where the values are numbers, measurements, or quantities. Tip: Numerical -> Numbers

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Statistical Question

Back

A question that can only be answered by using data and where variability is expected. Tip: More than 1 answer

Front

Non-statistical Question

Back

A question that can be answered by a specific measurement where no variability is expected. Tip: 1 answer

Front

Five-Number Summary

Back

A way to divide a set of data into four equal sections based on the values of the data. Tip: Everything you need to make a Box-Plot

Front

Symmetrical

Back

A distribution with a vertical line of symmetry in the center, so that the mean is equal to the median. Tip: Looks like a butterfly, both sides are the same

Front

Skewed

Back

A distribution where one side has more values farther from the bulk of the data, so that the mean is not equal to the median. Tip: Data is mostly on one side, has a tail

Front

Uniform

Back

A distribution which has the data values evenly distributed throughout the range of the data. Tip: Always symmetrical

Front

Bell-shaped

Back

A distribution whose dot plot or histogram takes the form of a bell with most of the data clustered near the center and fewer points farther from the center. Tip: Data is mostly in the middle with thin sides

Front

Bimodal

Back

A distribution with two very common data values seen in a dot plot or histogram as distinct peaks. Tip: Two peaks