Hi, please help me answer this question and expain to me step by step. Thank you.

Q1 Table 1 represents the amount of time (in minutes) a random sample of eight students enrolled in Statistics course spent for Mid Semester test in SMART3. Bt 88 57 109 111 93 71 63 Table 1 a) Determine the mean amount of time spent doing the Mid Semester test. (5 marks) b) Determine the median amount of time spent doing the Mid Semester test. (3 marks) c) Determine the sample standard deviation of the data above. (10 marks) d) Determine the range of the data above. (2 marks) Q2 The Wechsler Intelligence Scale for Children is approximately normally distributed, with mean 100 and standard deviation 15. a) Calculate the probability that a randomly selected test taker will score above 125. (7 marks) b) Calculate the probability that a randomly selected test taker will score below 90. (5 marks) () Calculate the proportion of test takers will score between 110 and 140. (8 marks)