MATH 214 Study Guide - Midterm Guide: 5,6,7,8, Simple Random Sample, Response Bias
10 Jan 2019
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Math 214 fall 2009 exam 2 answer key: the maple tree is in general the thickest. Half of the maple trees were thicker than 3/4 of the cedar trees. Half of the maple trees were thicker than more than half of the pine trees. The thinnest pine tree was thinner than the thinnest maple tree. The thickest maple tree was thicker than the thickest cedar tree. 2c) stratified sample: the voluntary sample (2a) is the most likely to be biased. A sample like this creates voluntary response bias, where those who respond are more likely to be those with strong opinions: tree diagram: Probability that both children are the same gender = 8/20 or 40% 4b) since the choice of child each night is truly random, there is no way one can be. That kind of reasoning is based on a law of averages that does not exist.
