Question

what is arithmetic mean​

Answer 1

In mathematics and statistics, the arithmetic mean or arithmetic average, or simply just the mean or the average, is the sum of a collection of numbers divided by the count of numbers in the collection.

OR

The arithmetic mean is the simplest and most widely used measure of a mean, or average. It simply involves taking the sum of a group of numbers, then dividing that sum by the count of the numbers used in the series. For example, take the numbers 34, 44, 56, and 78. ... The arithmetic mean is 212 divided by four, or 53.

Answer 2

The arithmetic mean:-

the mean = sum of values

No. of values

= 6+5+9+1+2

5

= 20

5

= 4

so, the mean is 4

just a example