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