Click on the following links. Please note these will open in a new window.

• Large Sample Estimation of a Population Proportion 
  A step-by-step example of calculating a confidence interval for proportions.
   
• Outcome Point and Interval Estimates 
  Provides a step-by-step example of calculating point estimates and intervals estimates.   
   
• Confidence Intervals- SPH 
  A website explaining confidence intervals for different types of samples.
   
• Confidence Intervals 
  A video of an example of calculating the confidence interval.