how to do this on statchrunch "Construct a confidence interval to estimate the mean of the differences between males' and females' salaries, assuming that the data is paired (male and female managers were matched in terms of experience and responsibilities.) Use the confidence level you chose in #1 above. Note: You should have only one confidence interval. Make sure that you are using the correct formulas and/or StatCrunch procedures, related to dependent samples (paired data). In the space below, copy and paste the StatCrunch results