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Answer all the questions [15 marks] 1. The data below shows the marks obtained by 40 students in an examination. 62 54 38 33 80 66 56 60 68 52 57 71 85 47 50 71 52 76 49 69 48 68 55 49 79 41 61 65 75 81 64 58 66 59 52 43 65 48 41 56 a. Construct a stem-and-leaf plot for the above date. [5] b. Determine the interquartile range [3] c. Determine if there is an outlier [3] 2. When throwing a dice , what is the probability of getting a. 6 b. a number less than 3 c. a number greater than 4 [4]