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: Option B
Explanation
Lower quartile,
Q1 = (frac{1}{4})Nth term
= (frac{1}{4}) x 600th term
= 150th term
= 15.5 + 3 + 0.5
= 19