44 In 1993, the five-number sunniary for the statewide percentage of people without health insurance had a minimum of 8.7% (Wisconsin). Q1 = 11 9, Med = 13.4, Q3 = 17.8, and maximum of 23 9% (Louisiana) (Statistical Abstract of the United States, 1995).

a) Construct a box plot for these data.

b) Do you think that the distribution is symmetric. skewed to the right. or skewed to the left? Why?

c) Which of the following is the most plausible value for the standard deviation of this distribution: 0.4. 13, 22? Why?

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Stem Leaf 14.00 13 12 0 11 10 9 8 7 000000000 6 000 5 000000000 4 0000 3 0000000000000 2 000000000 I 000000 0 0000 Boxplot 0 0 ---+ --