Question

Find the class limits, if the class marks of grouped frequency distribution

are as given below. 15,25,35,45,55​

Answer 1

Answer:

Step-by-step explanation:

for a

class limit is

15-25, 25-35,35-45 ,45-55

for b

class limit is

32-42,42-52,52-62,62-72

Hope it helps you

now you can use formulae

class mark=

(lower limit +upper limit ) divided by 2