The following Confidence Interval upper and lower limits were calculated in order to estimate the population mean average hourly salary of Starbucks baristas. Assume all of the assumptions (conditions) were met. How did the computer use the sample mean and margin of error to calculate the upper and lower limits of the confidence interval? Confidence Level = 99% Lower Limit = $8.19 Upper Limit = $15.07 Sample Mean = $11.63 Margin of Error = $3.44 Standard Error = $1.261 Critical Value T-score = 2.728 Degrees of Freedom = 34 Group of answer choices Divided them. Added and Subtracted them. Multiplied them. Options Divided them. Added and Subtracted them. Multiplied them