A random sample of 20 patients in a weight loss clinical trial lost an average of 25 pounds over an 8 week period. The sample standard deviation is 10. What is the 95% confidence interval for the weight loss for all patients included in the weight loss clinical trial?© BrainMass Inc. brainmass.com March 5, 2021, 12:56 am ad1c9bdddf
In order to find the 95% confidence interval for this question, we will use the following formula:
confidence interval = mean +/- ...
A complete, worked through solution outlining the steps needed to calculate a 95% confidence interval for a specific statistics example.