Question

How to identify whether it is step deviation method or direct method in statistics by giving one example

Answer 1

Answer:

You can use any method the answer will be same but it's just that if the gap between class interval is high like it's going 50-100 then 100-150 it is recommended to use step deviation method because it simplify the calculations whereas if you will use direct method then tha calculations will be very hard and your chance to do mistakes increases and also if the class height is not equal then you should not use step deviation because according to its formula you will require the class height