The graph shows the cumulative frequency of the distribution of masses of fertilizer for 48 workers in one institution. Which of the following gives the inter-quartile range?
A.
\(\frac{1}{2}(Q_3 - Q_1)\)
B.
Q3 - Q2
C.
Q3 - Q2
D.
Q3 - Q1
Correct answer is D
No explanation has been provided for this answer.