Statistics 1 Quiz

Question 1:   What is a confidence interval?
 

  method of taking out fluctuations in a data series by subtracting the second data point from the first and the third from the second and so on
  a basic method to calculate a regression line that is the sum of the squared errors is smaller than any other striaght line model
  the mean of an estimate plus and minus the variation in that estimate

Select an answer.  This is your first try.

Total number of questions = 14
 

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