What are the advantage and limitations of Mean Deviation(M.D)
Answers
Answer:
mean values derived by averaging values.
standard deviation is deviating the mean for getting standard value.
both comes under descriptive statistics.
Explanation:
merit
It is simple to understand.It is easy to calculate.
It is based on all the observations of a series.
It shown the dispersion, or scatter of the various items of a series from its central value.
It is not very much affected by the values of extreme items of a series.
It facilitates comparison between different items of a series
demeits
It is not rigidly defined in the sense that it is computed from any central value viz. Mean, Median, Mode etc. and thereby it can produce different results.
It is not capable of further algebraic treatment.
It is affected much by the fluctuations in sampling.
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