The director of patient services of a large health maintenance organization wants to evaluate patient waiting time at a local facility. A random sample of 25 patients is selected form the appoint book. The waiting time is defined as the time from when the patient signs in to when he or she is seen by the doctor. The following data represents the waiting times (in minutes). 19.5 30.5 45.6 39.8 29.6 25.4 21.8 28.6 52.0 25.4 26.1 31.1 43.1 4.9 12.7 10.7 12.1 1.9 45.9 42.5 41.3 13.8 17.4 39.0 36.6 In constructing a 98% confidence interval estimate of the population average waiting time, what is the margin of error? Round to 3 decimal places. 7.013 6.619 7.033 6.913