MODR 1770 Study Guide - Final Guide: Randomness, Family Values, The Strongest
28 Feb 2021
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These notes will be on chapter 3 of our text, pp. 120-9, and the chapter what is an argument? , chapter 2 of attacking fault reasoning (which was sent to you as two attachments via email on june 14) The section in chapter 3 (120-9) that we"ll focus on here is on opinion polls. I just want to go over some ways opinion polls can be misleading. Opinion polls widely used in societies that claim to be democratic. 10 ways in which opinion polls can mislead us (120-9: biased non-random sampling. For polls to be reliable, first of all, the size of the sample is important: according to our text, for a population in the millions, typically a sample size of a few hundred is considered adequate. Randomness is meant to get a good, representative cross-section of the population you want to make claims about as a result of the poll.
