Statistics 1 Quiz

Question 1:   What is a confidence interval?
 

  the mean of an estimate plus and minus the variation in that estimate
  a basic method to calculate a regression line that is the sum of the squared errors is smaller than any other striaght line model
  repeating calculations on the same data to find the best fit

Select an answer.  This is your first try.

Total number of questions = 14
 

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