ere to search II O Use the following dataset to answer questions 11-15. The data set below is the monthly unemployment rate in Castle Ward over the past 15 months. The data was collected from official statistics released by Statistics Castle Ward, the country's national statistical agency. 4 32.1 30.1 29.1 29.8 31.0 31.5 32.6 34.0 35.1 35.5 36.0 37.1 38.2 39.0 40.0 11. Find the sum of the range and the mean of the dataset above a. 45 b. 52 c. 15 d. 33 12. Find the Median of the dataset. a. 35.1 b. 34.9 c. 33.5 d. 34.0 13. Find the Interquartile Range a. 8.9 b. 7.5 95% 22C D