Statistics 1 Quiz

Question 1:   What is a confidence interval?
  showing complex or noisy data as a series of trigonometric or exponential functions such as sine waves
  the mean of an estimate plus and minus the variation in that estimate
  a model to forecast a variety of anticipated data points or data ranges including business data and future security prices

Select an answer.  This is your first try.

Total number of questions = 14

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