Unit 1 Vocabulary (One-Variable Statistics)

A question that can only be answered by using data and where we expect the data to have variability (more than one answer).

A question which can answered by a specific measurement or procedure where no variability is anticipated (one answer).

Data where the values are categories (like months, colors, brands, etc.)

Data where the values are numbers, measurements or quantities (also called measurement or quantitative data)

A quantity that is calculated from sample data, such as mean, median, MAD (mean absolute deviation)

Consists of the minimum, Q1, median, Q3, and maximum

Tells you how many of each value or each category there are in the data set

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

A distribution where one side of the distribution has more values farther from the bulk of the data than the other side, so that the mean is not equal to the median

A distribution which has the values evenly distributed throughout the range of the data