Answer the following questions on the basis of the given table
Marks | 30 | 10 | 20 | 40 | 50 |
No. of Students | 13 | 4 | 7 | 8 | 6 |
1) Write the formula of Q1 and Q3.
Ans:-
2) Find out the cumulative frequency of the last value in the above data.
Ans:-
3) Find out the value of ‘n’ in the above data.