The measure of dispersion NOT studied in this treatment is the:
ARange of data
BMean deviation
CStandard deviation
DQuartile deviation
Answer & Solution
Correct answer: D. Quartile deviation
1. Four measures are listed but only three are covered.
2. One is set aside.
3. That is the quartile deviation.
_Source: NCERT Class 11 Mathematics, Chapter 15, Statistics._
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