9. Given the following data set, please find the Mean, Median, and Mode. 7, 5, 9, 7, 6, 11, 13, 10, 18 Find X = Find MD = Mode = 10. Below is a frequency distribution showing the typical number of phone calls a particular call center receives per hour. Given the following frequency distribution, please find the weighted mean. Class Limits Frequency 10-14 15-19 20-24 NOOHOU 25-29 30-34 Find X = 1 1. The increases (in cents) in cigarette taxes for 17 states over a 6-month period are: 7, 5, 9, 7, 6, 11, 13, 10, 18 Please find the Range, Variance, and Standard Deviation of the given data set