Question

25% of the items of a data are less than 35 and 25% of the items are more than 75.
qd of the data is ​

Answer 1

Answer:

Step-by-step explanation:

The correct answer is 20

Q. D. =[75-35]/2

=20

Answer 2

Answer:

The correct answer of this question is $20$

Step-by-step explanation:

Given -  25% of the items of a data are less than 35 and 25% items are more than 75.

To Find- The data of quartile deviation.

The quartile deviation is  $\frac{Q_{3} -Q_{1} }{2}$

$= \frac{75-35}{2}$

$= \frac{40}{2}$

= $20$