Question

How to find mean when class size varies using step deviation method?

Answer 1

If class size varies then simply subtract 0.5 from each upper limit....then it will become equal class limit.
hope this helps you :)
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Answer 2

Answer:  You can still find the mean by applying the step-deviation method

No change or anything is needed.

Step-by-step explanation:

Hope this helps you !!

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