Question

Ten students appeared for an
examination in which 40 marks
Que required for passing out o
100. The marks of the students
who passed in the examination
are 65, 52, 73,90, 45, 49 and
66. Obtain the median marks​

Answer 1

answer : 25

Marksobtained No.ofstudents(f) Cumulativefrequency

0−20 4 4

20−40 6 10

40−60 25 35

60−80 10 45

80−100 5 50

⇒ Here, N=50, then

=25

We can see, 25 is nearest to cumulative frequency 35 which has class interval 40−60

∴ Median class =40−60.

⇒ In frequency table we can see class 40−60 has highest frequency 25.

∴ Modal class =40−60

hope it's is helpful