HI GUYS, PLEASE ANSWER THE QUESTION... I WANT SOLVED...
Attachments:
001rohit:
use mean formula super easy
Answers
Answered by
5
10+15+f¹+f²+20+15+2=100........(1).
Find the mid values of the class interval.
Then,
Sigma fx/sigma f=148
Find the mid values of the class interval.
Then,
Sigma fx/sigma f=148
Answered by
2
10+15+f+20 +15+f + 2 = 2f+ 30+22+10 =62+2f =f = 62/2=31
Similar questions