Construct a stem-and-leaf display for the lever-pressing data in Exercise 20 in Check Your Understanding of Section 2 Option. 5 Option.

Indicate whether the following statements are true or false Option.

a Option. A distribution that is flatter than the normal distribution is called mesokurtic Option.

b Option. Lepto in leptokurtic means slender or narrow Option.

c Option. The tail of a negatively skewed distribution extends away from the X and Y intercept Option.

d Option. A distribution with three maximum humps, each with the same frequency, is bimodal Option.