Question

find the mean of the frequency distribution x= 2,5,7,8. y=2,4,6,3

Answer 1

the mean if the frequency distribution x =2+5+7+8/4 = 11/2 and that of the y =2+4+6+3/4 =15/4 .

Hope this will help you

Answer 2

$= > x = 2 + 5 + 7 + 8 = 22 \\ = > 22 \div 4 = 16 \\ = > x = 16 \\ = > y = 2 + 4 + 6 + 3 = 15 \\ = > 15 \div 4 = 12.75 \\ = > y = 12.75$
hope this will help u