The following are per capita GDP figures for eight eastern European countries according to the World Bank. The monetary figures are in international dollars; for comparison, the per capita GDP for the United States is 59,532 international dollars.

a. Compute the mean and standard deviation for Albania, Bosnia and Herzegovina, Bulgaria, and Croatia. Treat the data as population data.
b. Compute the mean and standard deviation for the Czech Republic, Hungary, Poland, and Romania. Treat the data as population data.
c. Compute a coefficient of variation for the countries in (a) and for the countries in (b). Compare the two coefficients of variation in light of each group’s standard deviation.

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Country Albania Bosnia and Herzegovina Bulgaria Croatia Czech Republic Hungary Poland Romania Per Capita GDP (Int $) 12,021 12,876 20,329 25,264 36,916 28,375 29,291 25,841