Question

(a) Arithmetic Mean (A.M) and​

Answer 1

Step-by-step explanation:

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.

I think this is the correct explanation

Answer 2

Answer:

the arithmetic mean , or simply the mean of the average