Table 2.15 reproduces the 100 waiting times for teller service that were originally given in Table 1.8.

a. Construct a stem-and-leaf display of the waiting times.
b. Describe the distribution of the waiting times.

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2317533815 7746364355 187503558707420 630775441345295 912917048243424 71729741758 645 645713286005389 44684258289149 10 25 .3 7 7 6 7 7 4 2 86318 (i .4 3. 6 2 8 4 3 2 3.021435 2 ge 249485313889979 6545 2866692043 6661 165534668453971 9 6 5 46284348 TABLE 1.8 Waiting Times (in Minutes) for the Bank Customer Waiting Time Case 1.6 6.2 6.6 54 5.6 4.9 3.2 5.6 7.9 6.5 4.4 1.1 7.2 7.3 2.3 4.5 7.2 10.7 4.1 6.1 3.8 5.4 .8 8.7 67 2.9 4.7 8.1 9.1 3.6 43 7.7 3.9 4.6 2.5 6.5 8.3 6.4 8.6 6.3 4.2 5.8 3.4 9.3 10.9 7.4 1.8 7.5 6.7 7.0 3.5 5.3 6.3 4.5 4.3 4.5 3.8 1.8 5.1 3.7 5.5 4.0 5.7 2.4 9.2 5.0 2.7 3.7 2.2 5.8 4.0 6.1 4 8.67.8 6.8 10.2 2.05.2 2.8 8.0 8.4 11.6 9.5 6.3 4.3 1.3 4.4 4.8 5.2 9.9 7.4 9.8 2.9 34 9 3.1 5.8 3.9