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Confidence Intervals for the Mean

Confidence Intervals Introduction

Questions

Question 1 out of 2.

Strictly speaking, what is the best interpretation of a 95% confidence interval for the mean?

  1. If repeated samples were taken and the 95% confidence interval was computed for each sample, 95% of the intervals would contain the population mean.
  2. A 95% confidence interval has a 0.95 probability of containing the population mean.
  3. 95% of the population distribution is contained in the confidence interval.
Question 2 out of 2.

Confidence intervals can only be computed for the mean.

  1. True
  2. False