Navigating through an airport can be quite chaotic. You could instead choose to spend your waiting time at one of the airport lounges-hospitality areas where you can relax and enjoy food and beverages before you jet off. A random sample of 10 airport lounges are selected and the following entry fees are listed below (in euros): 16 31 25 32 41 18 22 28 25 35 a. Find the mean entry fee. Mean=27.3| (Type an integer or a decimal.) n (x-x) 2 i=1 b. Calculate the standard deviation using the equation s = n-1 Standard deviation = 7.7 (Type an integer or decimal rounded to two decimal places as needed.) n (Ex)? n c. Calculate the standard deviation using the equation s = i=1 n-1 Standard deviation = 7.7 (Type an integer or decimal rounded to two decimal places as needed.)