Question

Sachin scored 98, 25, 105,62 and 65 runs in 5 matches what was his average score in a match

Answer 1

average = sum of all observations/total number of observations
              =(98+25+105+62+65)/5
              =71
thus, average score of sachin = 71 runs

Answer 2

Average = sum of observations / no of observations
Average = 98+ 25+ 105+ 62+ 65/5
= 355/5
= 71