8. The top 10 grossing movies of 2022 earned the following in the U.S, rounded to the nearest million dollars: 151, 191, 192, 232, 343, 369, 369, 376, 411, and 717 (a) What is the mean gross amount? (b) Calculate the standard deviation in movie profits for the Top 10 by hand or using technology. Make sure you write down your work or a short explanation of what you see on Desmos, a calculator app, or a graphing calculator.