**Alternative hypothesis (H _{1})**

The opposite of the null hypothesis (*H*_{0}).

**Analysis of variance (ANOVA)**

A statistical method that tests the effect of different factors on a variable of interest.

**Bar chart**

A chart containing rectangles (“bars”) in which the length of each bar represents the count, amount, or percentage of responses in each category.

**Binomial distribution**

A distribution that finds the probability of a given number of successes for a given probability of success and sample size.

**Box-and-whisker plot**

Also known as a **boxplot;** a graphical representation of the five-number summary that consists of the smallest value, the first quartile (or 25^{th} percentile), the median, the third quartile (or 75^{th} percentile), and the largest ...

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