Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 14 - Statistics > The following is the frequency distribution of duration for 100 calls made on a mobile phone. Calculate the average duration ( in sec ) of a call and also find the median from a cumulative frequency curve.
The following is the frequency distribution of duration for 100 calls made on a mobile phone. Calculate the average duration ( in sec ) of a call and also find the median from a cumulative frequency curve.