Find the lower quartile of the distribution illustrated by the cumulative frequency curve
- 17.5
-
19.0
- 27.5
- 28.0
The correct answer is: B
Explanation
Lower quartile,Q1 = \(\frac{1}{4}\)Nth term
= \(\frac{1}{4}\) x 600th term
= 150th term
= 15.5 + 3 + 0.5
= 19