Question

10
The distribution given below shows the marks obtained by 25 students in an aptitude
test. Find the mean, median and mode of the distribution.
Marks obtained 5 6 7 8 9 10
No. of students 13 9 6 4 2
(2010)​

Answer 1

Answer:

Step-by-step explanation:

Marks obtained

5 6 7 8 9 10

Number of student

13 9 6 4 2

C.F.

3,12,18,22,25

F.X.

15,54,42,32,18,10

Total = 25 fx=171

Now,

No. Of items = 25

Mean =171/25=6.84

Median=25+1/2 term

= 13 term =7

Mode= 6 as it has maximum frequency i.e. 6.

I hope it help you

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