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Which of the following relating to normal distribution are not correct...

This question belongs to Commerce Business Statistics And Research Methods
Business Statistics and Research Methods
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Which of the following relating to normal distribution are not correct?
(i) Co-efficient of skewness is three.
(ii) It is mesokurtic.
(iii) Mean deviation for it is $$\frac{2}{3}$$σ.
(iv) µ ± 2σ covers 94.45% area.
(v) Mean, median and mode are equal.
(vi) The standard normal variate z has mean one and SD zero.

Answer & Solution
Correct Answer: Option A
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