Statistics 1 Quiz

Question 1:   What is a confidence interval?
 

  a method of using the average of past data to give new data forcasts
  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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