Find the lower quartile of the distribution illustrated b...
Find the lower quartile of the distribution illustrated by the cumulative frequency curve
17.5
19.0
27.5
28.0
Correct answer is B
Lower quartile,
Q1 = 14Nth term
= 14 x 600th term
= 150th term
= 15.5 + 3 + 0.5
= 19
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