Question

the marks obtained by a group is 85,76,90,85,39,48,56,95,81 and 75.find the mean ​

Answer 1

$Mean\: = \frac{sum\:of\:observation}{no. \:of\:observation} \\Mean\:= \frac{85+76+90+85+39+48+56+95+81+75}{10} \\Mean \:= \frac{730}{10} \\Mean\:= 73 \\\\\tt\huge\pink{Hope\:it\:helps\:you!!!}$