A psychologist is interested in knowing whether adults who were bullied as children differ from the general population in terms of their empathy for others. On a questionnaire designed to measure empathy, the mean score for the general population is 66.58. Random sampling of 25 scores obtained from individuals who were bullied yielded a mean of 71.51 and a standard deviation of 24.5.(Use these numbers only for this question!)

Calculate the 99% confidence interval.

Steps:

As you know, two values will be required to complete the following equation:

_________ __________

For this question, what is the value that is below or less than ?