Essentials Of Statistics
Essentials Of Statistics
4th Edition
ISBN: 9781305093836
Author: HEALEY, Joseph F.
Publisher: Cengage Learning,
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Textbook Question
Chapter 4, Problem 4.10P

S O C In problem 3.11, you computed measures of central tendency for the number of cars per 1000 population for 15 nations. The scores are reproduced here. Compute the standard deviation for this variable, and write a paragraph summarizing the mean, median, and standard deviation.

Nation Number of Motor Vehicles per 1000 population (2009)
United States 786
Germany 588
Canada 608
Japan 588
Australia 703
Israel 330
Russia 271
Mexico 278
Tunisia 130
Bolivia 87
China 69
Niger 8
Kenya 25
Thailand 172
India 18
Mean =
Median =
Standard deviation =

Source: World Bank, 2014. Retrieved from http://data.worldbank.org/indicator/lS.VEH.NVEH.P3

3.11 S O C The following table lists the approximate number of cars per 1000 population for 15 nations. Compute the mean and median for these data. Which is greater in value? Is there a positive skew in the data? How do you know?

Nation Number of Motor Vehicles per 1000 population (2009)
United States 786
Germany 588
Canada 608
Japan 588
Australia 703
Israel 330
Russia 271
Mexico 278
Tunisia 130
Bolivia 87
China 69
Niger 8
Kenya 25
Thailand 172
India 18
Mean =
Median =
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