#x27;3. [40 marks] The following scores represent the final examination grade for an elementary statistics course: 24 37 56 99 89 59 79 75 80 61 80 78 54 68 75 31 80 11 39 42 58 96 65 70 61 75 42 76 84 79 55 66 79 57 75 93 24 67 85 82 84 76 a) Construct a stem-and-leaf plot for the examination grades (Hint: Use 10 as stem units, 1 as leaf units ) b) Calculate relative frequencies. c) Construct a relative frequency histogram; draw an estimate of the graph of the distribution and discuss the skewness of the distribution. d) Compute the sample mean, sample median, and sample standard deviation_ #x27;
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