The following are the per capita GDP figures for eight eastern European countries according to International Monetary Fund sources. Note: The per capita GDP for the United States is $48,328.

Country .........Per Capita GDP (U.S. $)

Albania .......... 4,020

Bosnia/Herzegovina ...... 4,654

Bulgaria ........... 7,308

Croatia ..........14,182

Czech Republic .......20,436

Hungary ..........14,050

Poland ...........13,469

Romania ........... 8,875

a. Compute the mean and standard deviation for Albania, Bosnia/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.