(E1.18) Consider this set of data:
4.5 3.2 3.5 3.9 3.5 3.9
4.3 4.8 3.6 3.3 4.3 4.2
3.9 3.7 4.3 4.4 3.4 4.2
4.4 4.0 3.6 3.5 3.9 4.0
a. Construct a stem and leaf plot by using the leading digit as the stem.
b. Construct a stem and leaf plot by using each leading digit twice. Does this technique improve the presentation of the data? Explain.
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