Question 4: The following are the ages of the 10 people in the video arcade at the Southwyck Shopping Mall at 10 a.m. (a) determine the median and (b) the mode. 12 8 17 6 11 14 8 17 10 8Question 5: Listed below is the number of hours that a sample of students spent travelling to college each week. What is the median number of hours spent travelling per week? What is the mode? 9.0 8.5 8.0 9.1 10.3 11.0 11.5 10.3 10.5 9.8 9.3 8.2 8.2 8.5Question 6: In 1999, the CPI for Canada was 92.9, but in 2009, the CPI was 114.4. What was the geometric mean annual increase for the period