Question

the class mark of the class 5-b is 7.5 then find the value of b​

Answer 1

Answer:

Given

Class Mark (x) = 7.5

Class Interval = 5-b

lower limit of C.I (l) = 5

Difference between l and x = 7.5-5=2.5

Now

X+2.5=7.5+2.5=10

Answer 2

Answer:

## Ello!!✌✌

5-b = 7.5

-b = 2.5

b = - 2.5

Good morning✌✌☺☺