Find the lower quartile of the distribution illustrated by the cumulative frequency curve
Attached Figure / Diagram
A
17.5
B
19.0
C
27.5
D
28.0
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
Lower quartile,
Q1 = \(\frac{1}{4}\)Nth term
= \(\frac{1}{4}\) x 600th term
= 150th term
= 15.5 + 3 + 0.5
= 19
Source: Myschool Past Questions Archive (Record #46222)