The measure of dispersion is
Mean deviation
S.D
Quartile dispersion
All of These
As learnt in
DISPERSION -
Dispersion means scatteredness, Dispersion measures the degree of scatteredness of the variable about its central value.
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Measure of dispersion is
Mean deviation.
Quartile dispersion.
Standard deviation.
Option 1)
Mean deviation
This option is incorrect
Option 2)
S.D
This option is incorrect
Option 3)
Quartile dispersion
This option is incorrect
Option 4)
All of These
This option is correct