Question

(ASA) size 7. The distribution below gives the weights of 30 students of a class. Find the median weight of the students, 40-4545 - 50 50-55 55 - 60 160 - 65 65 Number of students 2 3 6 6 Cla Weight (in kg) 70 70-75 3 2.​

Answer 1

Answer:

56.67 kg

Step-by-step explanation:

We have, n=30

2

n

=15

The cumulative frequency just greater than

2

n

is 19 and the corresponding class is 55–60.

Thus, 55–60 is the median class such that

2

n

=15,l=55,f=6,cf=13 , and h=5

Substituting these values in the formula

Median, M=l+

⎝

⎛

f

2

n

−cf

⎠

⎞

×h

M=55+(

6

15−13

)×5

M=55+

6

2

×5=55+1.67=56.67

Hence, the median weight =56.67 kg .

Answer 2

Answer:

answer is 56.67 of the question