Why is the value of C taken as 20 ? ,.....The gap between the class Interval is 19

Question

Vanshika · Answer

Thanks everyone!

Vansh · Answer

As we all know that 20 is divisible by all means. For instance, if the first value of X¹ is 22.22 and A is 82.22, the difference is -60, which is divisible by 20, resulting in -3. That's what it is. So simple

Raj · Answer

That's a Class Size From Mid Value [(A) Assumed Value - to(A)his Upper{↑} Value ]

Diya · Answer

20 is the number which is divisible by all means for example the first value of x1 is 359.50 and A is 419.50 difference of it is -60 which is divisible by 20 so the answer came as -3. Same thing is done for all

Why is the value of C taken as 20 ? ,.....The gap between the class Interval is 19

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