Question no. 27:

Q. 27. School held sports day in which 150 students participated. Age of students are given in the following frequency distribution;

 

Age (in years)	More Then or equal to 5	More Then or equal to 7	More Then or equal to 9	More Then or equal to 11	More Then or equal to 13	More Then or equal to 15	More Then or equal to 17
No. of Students	150	136	110	85	65	43	15

For the above data, draw a more than type, ogive and from the curve, find median. Verify it by actual calculations.