Problem 2: Use the empirical cumulative distribution function below to answer the questions. Percent 100 80 60 40 20 0 2.0 2.5 Empirical CDF of Wait times Normal 3.0 3.5 Wait

times 4.0 4.5 5.0 Mean 3.573 StDev 0.5700 N 15/na) What is the percentile rank of the data value 3? b) What is the percentile rank of the data value 4.5? c) What is the data value of the 60th percentile? d) What are the data values for the 5-number summary? e) What is the range of the data set? f) What is the most common value in the data set?