Question

Where are the nurses? Table 1.5 gives the number of ac- tive nurses per 100,000 people in each state.5 .35 URSES (a) Why is the number of nurses per 100,000 people a better measure of the availability of nurses than a simple count of the number of nurses in a state? (b) Make a histogram that displays the distribution of nurses per 100,000 people. Write a brief description of the distribution. Are there any outliers? If so, can you explain them?

TABLE 1.5 NURSES PER 100,000 PEOPLE, BY STATE STATE Alabama NURSES STATE NURSES STATE NURSES 1001 712 795 1017 1007 795 1215 894 662 625 912 912 894 Ohio Louisiana 756 Maine 544 1053 Oklahoma 869 Oregon 1210 841 Rhode Island Maryland Massachusetts Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentuc Pennsylvania 641 Michigan 761 994 1017 South Carolina Minnesota Mississippi 68 South Dakota 958 Tennessee 748 Texas 1010 Utah 574 Vermont 977 Missouri Montana 653 Nebraska 753 Nevada 642 New Hampshire 970 812 New Jersey 864 New Mexico 907 Washington 859 Wisconsin 1097 Dist. of Columbia1380 774 938 905 550 West Vigini New York 867 North Carolina 886Wyoming 923 North Dakota ky

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Answer #1

(a) Think of 2 states say A and B where no. of nurses are same but one has a much larger population than other, then the number of nurses in the larger population may not be enough to serve all patients. Due this reason for comparing we should have some common base/unit like per capita or per 100000 in this case.

(b)

3rd pper Limit 1282 Quartile Quartile IQR 315 Limit 443 757 967 Chart Title 25 20 15 10 21 12 10 (600, 760] (920, 1080] (1240

The data more or less looks to come from a Normal distribution with mean in the range (760-920). Dist. of Columbia is an outlier as it lies beyond 1.5* IQR from 3rd quartile. A reason for this can be that it is the capital and thus there are much more number of hospitals and medical services and thus more staff.

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