1. 

   Bharti Singla Senior Member

   Hii all,
   We have an alternative formula for calculating Q1 and Q3 when finding IQR. That is Q1= (n+2)/4 and Q3= (3n+2)/4
   How it can be used if we have grouped data?

    

   Bharti Singla, Aug 31, 2016

   #1

   Sunil Sanga likes this.
2. 

   suraj Member

   For grouped data, use n/4 and 3n/4 because we're assuming that values are uniformly spread over each class.

    

   suraj, Sep 3, 2016

   #2

   John Lee and Bharti Singla like this.
3. 

   Bharti Singla Senior Member

   Okk thankyou

    

   Bharti Singla, Sep 3, 2016

   #3

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