This sampling method is biased toward water. How to count a catch when the designated finger lands on a boundary. Always choosing water biases the sample toward water. Always choosing land biases toward land. How many tosses to make.
Fewer tosses allow less variability, so increase the chances of a biased sample.
Using your biased samples, compute the ratio of land to water until you obtain three very different values. As values are submitted, students should compare the various methods that yielded these biased values and see if they can replicate them. Although the U.S. Bureau of the Census attempted to use sampling to augment the 2000 decennial census, it was sued by members of Congress. The Supreme Court held that statistical sampling could not be used to apportion the House of Representatives. Materials Needed An inflatable globe, about 16 inches in diameter.