Week 3 Class 2

Interesting:
1.) Regression analysis: how you can create a predictive model for others who weren't in the sample. (CH 9)
2.) The regression line shows the relationship between the independent and dependent variables. (Ch 10)
3.) You cannot always take action based on a correlation finding. You must have the upmost confidence that the correlation is true and you must know the trade-offs between risk and reward. (Ch 11)

Questions:
1.) If key variables and time are always changing, how can you be sure your assumptions are accurate? (Ch 9)
2.) What happens if you use correlation and causation interchangeably? (Ch 10)
3.) In what ways can you avoid any grey area of confidence in yore correlation? What is the most efficient way to have the truest correlation? (Ch 11)

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