In looking at the frequency distribution of weekly crude oil price changes bet

In looking at the frequency distribution of weekly crude oil price changes between 1984 and 2008 an analyst notices that the frequency distribution has a
surprisingly large number of observations for extremely large positive price changes and a smaller number but still a surprising one of observations for
extremely large negative price changes. The analyst provides you with the following statistical measures. Which measures would help you identify these
characteristics of the frequency distribution?

i. Serial correlation of weekly price changes

ii. Variance of weekly price changes

iii. Skewness of weekly price changes

iv. Kurtosis of weekly price changes

a. i ii iii and iv

b. ii only

c. iii and iv only

d. i iii and iv only