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S O C Listed here are the rates of abortion per 100,000 women for 20 states in 1973 and 1975. Compute the median, mean, standard deviation, range and interquartile range for both years. Describe what happened to these distributions over the two-year period. Did the average rate increase or decrease? What happened to the dispersion of this distribution? Did the measures of dispersion increase or decrease? What happened between 1973 and 1975 that might explain these changes in central tendency and dispersion? ( HINT: It was a Supreme Court decision.) State 1973 1975 1 Mississippi 0.2 0.6 2 Arkansas 2.9 6.3 3 Montana 3.1 9.9 4 Maine 3.5 9.5 5 South California 3.8 10.3 6 Tennessee 4.2 19.2 7 Texas 6.8 19.1 8 Arizona 6.9 15.8 9 Ohio 7.3 17.9 10 Nebraska 7.3 14.3 11 Virginia 7.8 18.0 12 Iowa 8.8 14.7 13 Massachusetts 10.0 25.7 14 Pennsylvania 12.1 18.5 15 Colorado 14.4 24.6 16 Florida 15.8 30.5 71 Michigan 18.7 20.3 18 Hawaii 26.3 31.6 19 California 30.8 33.6 20 New York 53.5 40.7 Source: U.S. Bureau of the Census. 1977. Statistical Abstract of the United States: 1977. Washington, DC: Government Printing Office, 1977.

BuyFind

Essentials Of Statistics

4th Edition
HEALEY + 1 other
Publisher: Cengage Learning,
ISBN: 9781305093836
BuyFind

Essentials Of Statistics

4th Edition
HEALEY + 1 other
Publisher: Cengage Learning,
ISBN: 9781305093836

Solutions

Chapter
Section
Chapter 4, Problem 4.13P
Textbook Problem

S O C Listed here are the rates of abortion per 100,000 women for 20 states in 1973 and 1975. Compute the median, mean, standard deviation, range and interquartile range for both years. Describe what happened to these distributions over the two-year period. Did the average rate increase or decrease? What happened to the dispersion of this distribution? Did the measures of dispersion increase or decrease? What happened between 1973 and 1975 that might explain these changes in central tendency and dispersion? (HINT: It was a Supreme Court decision.)

State 1973 1975
1 Mississippi 0.2 0.6
2 Arkansas 2.9 6.3
3 Montana 3.1 9.9
4 Maine 3.5 9.5
5 South California 3.8 10.3
6 Tennessee 4.2 19.2
7 Texas 6.8 19.1
8 Arizona 6.9 15.8
9 Ohio 7.3 17.9
10 Nebraska 7.3 14.3
11 Virginia 7.8 18.0
12 Iowa 8.8 14.7
13 Massachusetts 10.0 25.7
14 Pennsylvania 12.1 18.5
15 Colorado 14.4 24.6
16 Florida 15.8 30.5
71 Michigan 18.7 20.3
18 Hawaii 26.3 31.6
19 California 30.8 33.6
20 New York 53.5 40.7

Source: U.S. Bureau of the Census. 1977. Statistical Abstract of the United States: 1977. Washington, DC: Government Printing Office, 1977.

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