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

These data are also provided in the file XR02057.
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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AL $1274 H1383 MA 895 AK 2455 ID 15 MI 1608 1379 1304 IN 1699 MS 1100 CA 2056 IA 093 MO1687 924 CT 1839 KY 1318 NE 1180 1634 LA288 NV 1544 1595 ME627 NH 714 1910 1930 1676 MN AR CO 1864 KS 1155 MT DE GA 143 M 2009 NJ 2 1738 1602 1362 NM NY NC ND он OK OR 1601 VT 1824 1487 774 1355 1491 WA2298 1152 1566 5 1773 1379 2 1752 1914 2