Question

6. The mean of the following frequency distribution is 28 and the sum of the observations is 100.
Find f, and 6.
Marks
0-10 10-20 20-30 30-40 40 50 50-60
No. of Students 12 18 f1, 20 ,f2 6​

Answer 1

Answer:

Mark me as brainliest

Answer 2

Answer:

so f1 =31.5

f2= 14.5

Step-by-step explanation:

hope it's clear