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.

A. (i), (iii) and (vi)

B. (iii), (iv) and (v)

C. (i), (iii) and (v)

D. (i), (iii) and (iv)

Answer: Option A