# Probability and statistics

## Lower and upper quartiles of the data set. Interquartile range

Quartiles of the data set are the values that divide a list of numbers into quarters.

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## Mean, mode, median and range of the data set

When you get a set of data there are some terms to describe the data. The terms mean, median, and mode are different types of averages. Together with range, they describe our data set.

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## Probability of independent events

We can calculate the probabilities of two or more independent events by multiplying each probability.

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