Xr03-07 A large investment firm on Wall Street wants to review the distribution of ages of its stockbrokers.

The firm believes that this information can be useful in developing plans to recruit new brokers. The ages of a sample of 40 brokers are shown here.

46 28 51 34 29 40 38 33 41 52 53 40 50 33 36 41 25 38 37 41 36 50 46 33 61 48 32 28 30 49 41 37 26 39 35 39 46 26 31 35

a. Draw a stem-and-leaf display.

b. Draw a histogram.

c. Draw an ogive.

d. Describe what you have learned.