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Kashish Khandelwal

Take out the class mark of all the class intervals , like in the example attached

Gopal Garg

Bro. Can you plz elaborate this

Kashish Khandelwal

Class mark= lower class limit+ upper class limit/2

Thread Starter

Yes, but there are even number of observations given, so assumed means can be taken either 45 or 35??? Which one is more suitable, can you please tell

Kashish Khandelwal

It depends on the question so and in your question I think 45