2.57 The average daily cost to community hospitals for patient stays during 2006 for each of the...

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2.57 The average daily cost to community hospitals for patient stays during 2006 for each of the 50 U.S. states was as follows:

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These data are also provided in the fi le XR02057.
Source: Bureau of the Census, Statistical Abstract of the United States 2009, p. 114.

a. Construct a stem-and-leaf display for these data.

b. Construct a frequency distribution.

c. Determine the interval width and the class mark for each of the classes in your frequency distribution.

d. Based on the frequency distribution obtained in part (b), draw a histogram and a relative frequency polygon.

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