Question

Two variables assume the values 1,2, 3,.. 5 with frequencies as 1, 2, 3,..5, then what is the AM ?​

Answer 1

Answer:

Arithmetic Mean = 5

Step-by-step explanation:

AM = sum of frequencies / total number

AM = 1+2+3+4+5/5

AM = 15/3

AM = 5

Answer 2

sum of 1st n natural number for AM =n+1/2

n=5. 5+1/2

= 6/2=3