Part B: Thinking (11 marks} 1. In the rst try out of the year, the boys' soccer coach made the team do sit-ups. Below is a list of the number each student could do in 3 minutes. a. Determine the mean number of sit-ups that can be done by a team member. (2 marks) b. Determine the median number of situps. (1 mark) c. Determine the interquartile range. (2 marks) d. Determine the 60th percentile. (1 mark) Part C: Communication [9 marks) 1. The histogram shows the test scores, in percent, of a grade 11 mathematics class. a. How many students got at least 90% on the test? (1 mark) h. Explain why test scores can be displayed in a histogram. (1 mark) c. Identify the type of distribution. (1 mark) 2. Fill in the blanks for the following: (3 marks) a. measures how closely data clusters around the median. b. Three values that divide a set of data into four intervals with equal number of data are referred to as is a measure of how spread out the values in a set of data are from the mean. 3. You are interested in how much time students spend on the Internet each day. Here are data on the time spent on the Internet (in minutes) for a particular day reported by a random sample of 30 students at a large high school: [Please note b and c of this question are included in the Part D Application marks] 7 20 24 l 25 | 25 28 23 30 32 l 35 42 43 44 | 45 | 46 47 4s 48 50 l 51 72 75 77 73 79 33 87 88 135 151 a. Construct a histogram of this data (3 marks) mi [lll ll ll ' lll