Which of these is listed as a measure of dispersion?
AThe modal value
BQuartile deviation
CArithmetic mean
DThe median value
Answer & Solution
Correct answer: B. Quartile deviation
1. Four measures of dispersion are named.
2. Range, mean deviation and standard deviation are three.
3. Quartile deviation is the fourth.
_Source: NCERT Class 11 Mathematics, Chapter 15, Statistics._
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