Lists grades of 80 students obtained in the final exam of an elementary statistics class. The...

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Lists grades of 80 students obtained in the final exam of an elementary statistics class. The grades are scored out of 100 points and rounded to the nearest whole number. Grades of 80 Students Obtained in the Final Exam of an Elementary Statistics Class 77 58 55 31 61 66 76 58 68 38 44 49 54 41 29 81 90 45 70 40 61 51 48 67 88 67 36 69 71 57 52 58 51 63 92 57 83 86 71 47 64 43 31 78 57 61 58 72 41 51 66 62 93 62 84 76 28 58 46 50 46 32 65 85 75 47 57 42 68 37 51 58 31 44 70 36 92 31 66 46 (a) Group the above data into a grouped frequency distribution. (b) What is the shape of the distribution? Do the observed scores tend to fall into some recognizable pattern? (c) What measures of central tendency would you compute? Justify your choices.? Lists grades of 80 students obtained in the final exam of an elementary statistics class. The grades are scored out of 100 points and rounded to the nearest whole number. Grades of 80 Students Obtained in the Final Exam of an Elementary Statistics Class 77 58 55 31 61 66 76 58 68 38 44 49 54 41 29 81 90 45 70 40 61 51 48 67 88 67 36 69 71 57 52 58 51 63 92 57 83 86 71 47 64 43 31 78 57 61 58 72 41 51 66 62 93 62 84 76 28 58 46 50 46 32 65 85 75 47 57 42 68 37 51 58 31 44 70 36 92 31 66 46 (a) Group the above data into a grouped frequency distribution. (b) What is the shape of the distribution? Do the observed scores tend to fall into some recognizable pattern? (c) What measures of central tendency would you compute? Justify your choices.?