Draw frequency distributions that have- positive skewness

Question

1. Draw frequency distributions that have

(a) positive skewness,

(b) negative skew- ness,

(c) low kurtosis and no skewness, and

(d) high kurtosis and no skewness.

2. What is the coefficient of variation among the following commuting times: 23, 43, 42, 7, 23, 11, 23, 55?