Section A [100 Marks] Answer ALL the questions in this section. Choose the most appropriate answer. Write down the letter that represents the correct answer next to each number in your online answer booklet. E.g. 26 B 1. You are given a Grouped Frequency Distribution Table of the speed in miles per hour (mph) attained by each observed Formula One driver from zero (0) to seven (7) seconds, during the first practice session in preparation for the Abu Dhabi Grand Prix of 2022 as shown in Figure 1 below: Figure 1 Calculate the mean speed in miles per hour attained between zero (0) and seven (7) for this distribution. (4 marks) A. 56.73 B. 75.63 C. 73.56 D. 76.05 2. Calculate the variance for the distribution given in Figure 1. (4 marks) A. 429.84 B. 492.98 C. 924.86 D. 942.99 3. Calculate the standard deviation and the co-efficient of variation respectively for the distribution given in Figure 1. (4 marks) A. 73.20,28.20 B. 20.73,0.28 C. 27.30,20.28 D. 0.28,0.21 4. The mean of a set of eight numbers is 10. If one of the numbers is removed the mean of the remaining numbers is 9 . The number that was removed is: (4 marks) A. 16 B. 17 C. 15 D. 18 5. Consider the following frequency distribution of x-values: The mean of these data values is: A. 15.00 B. 14.75 C. 14.50 D. None of the above