2) A local coffee shop wants to study the variability in the prices of coffee beans from different regions. The coffee shop has collected the following data on the price (in dollars) of coffee beans from 10 different regions: 12, 14, 16, 17, 18, 19, 20, 21, 22, 24. (8+2 Marks) a) Calculate the range, variance, and standard deviation of the sample. b ) Based on the results of the calculations, what can you say about the variability of the prices of coffee beans from different regions