Problem 7.4 The illegal traffic in rhinoceros (rhino) horns is fueled by a huge demand in Asia where it is believed to have cancer-curing properties. The cost of rhino horn is estimated at $65,000 per kilogram on the black market. It is believed that there are no more than 11,000 white rhinos in the wild. In 2014, a record number of 1,020 rhinos have been poached in South Africa, most of them in the Kruger National Park, critically endangering this population. The following data gives the weight (in kg) for a sample of n = 18 white rhino horns: 1.1 2.9 1.3 2.1 2.3 1.3 2.2 1.6 1.5 2.0 3.1 1.6 2.4 1.8 2.7 3.0 0.9 2.1 (a) Find the mean and standard deviation for this data set. (b) Find the median, the first quartile, the third quartile and the IQR for this data set. (c) Are there any outliers in this data set?