a. Find Pearson’s (a) first and (b) second coefficients of skewness for the wage distribution of the 65 employees at the P&R Company (see Problems 3.44 and 4.18).
b. Find the (a) quartile and (b) percentile coefficients of skewness for the distribution of Problem
5.10 (see Problem 3.44).
c. Find the moment coefficient of skewness, a3, for (a) the height distribution of students at XYZ University (see Problem 5.6) and (b) the IQ’s of elementary school children (see Problem 5.7).
d. Find the moment coefficient of kurtosis, a4, for the data of (a) Problem 5.6 and (b) Problem 5.7.