The distribution below gives the weight of 30 students in a class. Find the median weight of students: Weight (in kg): 40-45 45-50 50-55 55-60 60-65 65-70 70-75 No. of students: 2 3 8 6 6 3 2

Question

Philoid · Accepted Answer

We may find cumulative frequencies with their respective class intervals as below:

Weight (in kg)	40-45	45-50	50-55	55-60	60-65	65-70	70-75
No. of students	2	3	8	6	6	3	2
Cumulative frequency	2	5	13	19	25	28	30

Median class = 55-60

l = 55, f = 6, F = 13 and h = 5

Median = l + * h

= 55 + () * 5

= 55 +

= 56.666

So, median weight is 56.67 kg.

Weight (in kg):	40-45	45-50	50-55	55-60	60-65	65-70	70-75
No. of students:	2	3	8	6	6	3	2

The distribution below gives the weight of 30 students in a class. Find the median weight of students:Weight (in kg):40-4545-5050-5555-6060-6565-7070-75No. of students:2386632

The distribution below gives the weight of 30 students in a class. Find the median weight of students:

Weight (in kg):

40-45

45-50

50-55

55-60

60-65

65-70

70-75

No. of students:

2

3

8

6

6

3

2