## Statistical Mean or Average Part I

### Statistical Mean: Learn

The statistical mean is commonly called the average.

It is a common measure of central tendency, along with median and mode.

To find the mean of a group of numbers:

- Add the numbers together
- Divide by how many numbers were added together

Example: The average of the numbers 1, 2, 6, 7 and 9 is

(1 + 2 + 6 + 7 + 9) / 5

= 25 / 5

= 5

### Statistical Mean: Practice

#### Find the mean.

00:00

Round to the nearest whole number.

Press the Start Button To Begin

You have
0
correct and
0
incorrect.

This is
0
percent correct.

### Play

Game Name | Description | Best Score |
---|---|---|

How many correct answers can you get in 60 seconds? | 0 | |

Extra time is awarded for each correct answer.
Play longer by getting more correct. |
0 | |

How fast can you get 20 more correct answers than wrong answers? | 999 |

### Explore

#### Math Lessons by Grade

#### Math Topics

- Addition
- Algebra
- Comparing
- Counting
- Decimals
- Division
- Equations
- Estimation and Mental Math
- Exponents
- Fractions
- Geometry
- Measurement
- Money
- Multiplication
- Naming Numbers
- Patterns
- Percents and Ratios
- Place Value
- Properties
- Statistics
- Subtraction