Whats Wrong? A survey included 4230 responses from Internet users who decided torespond to a question posted by America OnLine (AOL). Here is the question: How often doyou use credit cards for purchases? Among the respondents, 67% said that they used creditcards frequently. What is wrong with this survey?

Section - 10.3 Modelling Linear Relationships with Randomness Present When the relationship between x and y is not deterministic, statistical procedures must be applied. For any statistical procedures, the associated formulas are valid only under speci▯c as- sumptions. The set of assumptions in simple linear regression are a mathematical...