The table below shows the marks obtained by forty pupils in a Mathematics test.



Marks
0 - 9
10 - 19
20 - 29
30 - 39
40 - 49
50 - 59


No of pupils
4
5
6
12
8
5



(a) Draw a histogram for the mark distribution ;~(b) Use your histogram to estimate the mode ;
(c) Calculate the median of the distribution.



The table below shows the marks obtained by forty pupils in a Mathematics test.



Marks
0 - 9
10 - 19
20 - 29
30 - 39
40 - 49
50 - 59


No of pupils
4
5
6
12
8
5
~(c) Calculate the median of the distribution.



The table below shows the marks obtained by forty pupils in a Mathematics test.



Marks
0 - 9
10 - 19
20 - 29
30 - 39
40 - 49
50 - 59


No of pupils
4
5
6
12
8
5
