Illegal rhino horn traffic is fuelled by high demand in Asia They are believed to have anti-cancer properties. The price per kilogram of horn Rhinoc eros is estimated at $65,000 on the black market. It is believed that there are only 11,000 White rhinoc eros ' in the wild. In 2014, a record 1,020 rhinos were killed. poaching in South Africa, most of them in the Kruger National Park, putting this critically endangered population. The following data show the weight (in kg) for A sample of n = 18 horns of white rhinoceros:

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 average and standard deviation for these data. (b) Find the mediane, first quartile, third quartile and DIQ for these data. (c) Are there any outliers?