Arithmetic mean formula, what is the for arithmetic mean formula

**What is the of Arithmetic mean formula:**

\LARGE \overline{x}=\frac{x¹+x²+x³+...+x^n}{N}

**Arithmetic Mean**= Sum of all Observations/Total Number of Observations

Example:

**There are five observations. These are 10, 20, 30, 40, 50. Find their arithmetic mean.**

Solution:

\LARGE \overline{x}=\frac{10+20+30+40+50}{5}

\LARGE =\frac{150}{5}={30}

Answer: **30**