Question

Draw less than ogive for the following

Mark. No of students.
0-10. 5
10-20. 8
20-30. 6
30-40. 10
40-50. 6
50-60. 6

Also find the median from the graph and verify that by using the formula ​

Answer 1

mdn=30+(20.5-19)÷10×10

=30+(1.5/10)*10

=30+(0.15)×10

=30+1.5

=31.5

mdn =31.5

you can draw the graph