# Probability and statistics

## Basic probability formulas with examples

Meet with basic probability meaning and some useful formulas for easy problem solving.

Continue reading · 2021-07-26

## 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.

Continue reading · 2019-03-03

## 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.

Continue reading · 2019-03-03

## All categories

## New content

- Circle: arc, sector and segment (Geometry)
- Circle: radius, diameter, circumference and area (Geometry)
- The law of cosines and examples (Geometry)
- The law of sines and examples (Geometry)
- Rewriting radicals into exponential form (Algebra)
- Infinite geometric sequence sum formula and examples (Algebra)
- Geometric sequence formulas and examples (Algebra)
- Arithmetic sequence formulas and examples (Algebra)