question 3

Question 3 (Non-anonymous question (@) * Question 3 Suppose that the following data provide the hours of playing video games per week for a sample of 14 high school students in Roanoke, Virginia: 11, 25, 19, 18, 20, 27, 13, 8, 10, 15, 19, 18, 9, and 12. Calculate: (1) mean and median. (3 marks) (ii) first and third quartiles. (3 marks) (iii) range and inter-quartile range. (2 marks) (iv) Draw a box-and-whisker plot. (2 marks)