Please help me with all of them! Need clear explanations like step by step

Q1 The following is data for the number of colds, C, that each employee at a Toyota dealership got last year: C=10, 8, 5, 2, 3, 3, 3, 6, 4, 2, 4, 5, 4, 4, 1,0. (a) Calculate the sample mean and standard deviation. (b) Interpret the sample mean and standard deviation in plain English. Q2 The following is data for the distance, D, in miles that each student has to travel to attend school. D245, 4, 5, 5, 6, 12, 17, 10, 10, 11,8, 15, 16, 9,0 (a) Calculate the sample mean and standard deviation. (b) Interpret the sample mean and standard deviation in plain English. Q3 The iPhone is water resistant to an average depth of 14 meters (this is the sample mean). The sample standard deviation is 1.4 meters. This data is normally distributed. (a) What probability that a randomly selected phone can be submerged more than 16.5 meters? (b) What probability that a randomly selected phone can be submerged less than 11 meters? (0) What probability that a randomly selected phone can be submerged between 15 and 16 meters? (d) What is the median depth that a phone can be submerged