**Alternative hypothesis (**H—_{1})The opposite of the null hypothesis (

*H*_{0}).**Analysis of variance (ANOVA)**—A statistical method that tests the significance of different factors on a variable of interest.

**Arithmetic mean**—The balance point in a set of data that is calculated by summing the observed numerical values in a set of data and then dividing by the number of values involved.

**Bar chart**—A chart containing rectangles (“bars”) in which the length of each bar represents the count, amount, or percentage of responses of one 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**—A graphical representation of the five-number summary ...

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