Biology and Environmental Science
In a recent study conducted by the NOAA, the aerosol light absorption coefficient was measured (in Mm-1) at randomly selected locations in Africa and in South America. The resulting data are summarized in the following table.
|
Country
|
Sample size
|
Sample variance
|
|
Africa
|
10
|
243.36
|
|
South America
|
21
|
51.84
|
Is there any evidence that the population variance in aerosol light absorption coefficient is greater in Africa than in South America? Use a = 0.05 and assume normality.