Arandom sample of pickles in a jar has the following weights, in grams: 68, 54, 59, 70, 69, 65, 73, 59, 74, and 54. what is the best prediction for the mean weight of all the pickles in the jar?

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?