Question 1 (4 Marks) Alice invests R6500 in an account paying 3% compound interest per year. Bob invests R6500 in an account paying r% simple interest per year. At the end of the 5th year, Alice and Bob's accounts both contain the same amount of money. Calculate r, giving your answer correct to 1 decimal place. A. 3.0% B. 15.9% C. 3.2% D. 4.4% Question 2 (4 Marks) Use the information below to answer Question 2 and Question 3. The cumulative frequency below displays the amount of time (in minutes) taken to travel to work by employees at a shoe factory. 100 - 80 - 60 Cumulative frequency 40 20 0 - 0 10 20 30 40 50 60 70 80 90 Time (minutes)Find the median amount of time (in minutes) for the above data. A. 40 B. 45 C. 50 D. 55 Question 3 (4 Marks) Find the interquartile range for the above data. A. 7 B. 6.5 C. 10 D. 13.5 Question 4 (4 Marks) The following are midday temperatures (in degrees Celsius) of twelve randomly selected days throughout the year. 13, 15, 6, -23, 9, 0, 7, 3, 9, 11, -1, 14 Which of the following statements is false? A. The range is not an appropriate measure of dispersion for the data because of the presence of one extreme value. B. The standard deviation of these temperatures cannot be calculated because some of the values are negative. C. The mode is 9 D. The range of the values is 38