Exam 2: Organizing Data

Suppose the American Medical Association Center for Health Policy Research included data, by state, on the number of community hospitals and the average patient stay (in days) in its publication. The data (by state) are shown in the table. Which two states have an unusually high number of hospitals? State Hospitals State Hospitals State Hospitals Alabama 330 Colorado 79 Georgia 162 Alaska 16 Connecticut 35 Hawaii 19 Arizona 61 Delaware 8 Idaho 41 Arkansas 88 Dist of Columbia 11 Illinois 279 California 236 Florida 289 Indiana 113 Iowa 123 Nebraska 90 Rhode 12 Kansas 133 Nebraska 21 S.Carolina 68 Kentucky 101 New Hampshire 28 S.Dakota 52 Louisiana 459 New Jersey 96 Tennessee 122 Maine 38 New Mexico 37 Texas 235 Maryland 51 New York 333 Utah 42 Mass. 101 N.Caroline 117 Vermont 15 Michigan 175 N.Dakota 47 Virginia 98 Minnesota 276 Ohio 193 Washington 92 Mississippi 102 Oklahoma 399 W.Virginia 59 Missouri 133 Oregon 66 Wisconsin 478 Montana 53 Pennsylvania 231 Wyoming 27

Finish times (to the nearest hour) for 57 dogsled teams are shown below. Make a dotplot for the data. 261 271 236 244 279 296 284 299 288 288 247 256 308 360 341 333 261 266 287 296 313 311 307 307 299 303 277 283 304 305 288 290 288 289 297 299 332 330 309 328 307 328 285 291 295 298 306 315 310 318 318 318 333 321 323 324 327

Pyramid Lake, Nevada, is described as the pride of the Paiute Indian Nation. It is a beautiful desert lake famous for very large trout. The elevation of the lake surface (feet above sea level) varies according to the annual flow of the Truckee River from Lake Tahoe. Assume that the U.S. Geological Survey provided the following data: Year 1986 1987 1988 1989 1990 1991 1992 1993 Elevation 3817 3815 3810 3812 3808 3803 3798 3797 Year 1994 1995 1996 1997 1998 1999 2000 Elevation 3795 3797 3802 3807 3811 3816 3817 Make a time series graph.