Choose the correct answer for the following statements being correct or incorrect.
Statement I If the value of $${\beta _2}$$ i.e. $$\frac{{{\mu _4}}}{{{\sigma _4}}},$$  of a distribution gives the value more than 3, its curve is platykurtic.
Statement II In a moderately asymmetrical distribution, the standard deviation is 1.25 times of mean deviation.