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Permalink Reply by Dr Gopakumar on October 22, 2014 at 18:20

Chi-square test for what?

Goodness to fit or testing a hypothesis?

The formula for Chisquare test is 

X2=(Observed frequency – Expected Frequency)2
                       Expected Frequency

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Permalink Reply by Shweta Patil on October 22, 2014 at 19:09

Sir I was just referring the below piece of article, I was just unable to understand the formula used to calculate.

I tried to calculate but got the X2=5.37 using the formal you mentioned.

It will be grt if you can elaborate the steps for me.

Thanks...

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Permalink Reply by Dr. N K Pachauri on October 22, 2014 at 21:10

thank you 

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