Statistics 1 Quiz

Question 1:   What is a confidence interval?
 
  a number whose value may change in an equation or similar according to its practical use
  the degree of spread in a data set obtained by taking the average of the squared deviations from the mean
  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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