Front

1st quartile (Q1)

Back

Median of the lower half of the data set.

Front

2nd quartile (Q2)

Back

The middle number of the data when the data are written in order.

Front

3rd quartile (Q3)

Back

Median of the upper half of the data set.

Front

Bar Graph

Back

A visual representation of data which compares values in different categories.

Front

Bias (in stats)

Back

When incorrect conclusions are made because some parts of the population are over-represented in the sample and some parts are under-represented.

Front

Binomial Distribution

Back

The probability distribution of a binomial random variable.

Front

Bivariate Data Analysis

Back

Analysis of what relationship exists between two variables.

Front

Box-And-Whisker Plot / Boxplot

Back

A boxplot splits the data set into quartiles, where the middle 50% of the data forms the box and the lower 25% and upper 25% form the whiskers.

Front

Categorical Data

Back

Data recorded as categories/groups.

Front

Census

Back

The systematic surveying of all members of a population.