Question

The following distribution table gives some data about the weights of the students in a class of 70:

Weights	Frequency
25	12
30	13
35	19
40	X
45	15

What is the value of X?

• A.
  13
• B.
  14
• C.
  11
• D.
  10

Answer 1

The correct option is C

11
It is given that the total number of students in the class = 70
Therefore, total frequency is 70
$\Rightarrow$ 12 + 13 + 19 + X + 15 = 70
$\Rightarrow$ X = 11

Hence, the required answer is 11.