lexiswyers1 lexiswyers1 27-04-2017 Mathematics contestada Consider this Data Set: 25.5 26 18.2 15.3 28.5 27 20.7 20.2 26.1 18.2 21.4 17.9 24.3 22.6 19.6 The mean of the data set is? and the sample proportion of numbers less than the mean is? Please Help!!!!!!!!