Median: 19.5Mode: 30 | | | | | | | | | | | | | C. 1.5, 4.5, 3.2, 1.8, 5.0, 2.2Mean: 3.03Median: 2.7Mode: No mode | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | II. The following scores resulted from a biology exam: | | | | | | | | | | | Scores | f | Cumf | Cum% | Midpoint | fx | 95-99 | 3 | 54 | 5.56 | 4.70 | 14.1 | 90-94 | 3 | 51 | 5.56 | 4.23 | 12.69 | 85-89 | 5 | 48 | 9.26 | 3.78 | 18.9 | 80-84 | 6 | 43 | 11.11 | 3.36 | 20.16 | 75-79 | 6 | 37 | 11.11 | 2.96 | 17.76 | 70-74 | 8 | 31 | 14.81 | 2.60 | 20.8 | 65-69 | 7 | 23 | 12.96 | 2.24 | 15.68 | 60-64 | 6 | 16 | 11.11 | 1.92 | 11.52 | 55-59 | 5 | 10 | 9.26 | 1.62 | 8.1 | 50-54 | 3 | 5 | 5.56 | 1.35 | 4.05 | 45-49 | 2 | 2 | 3.70 | 1.10 | 2.2 | | Total f=54 | | | | | | | | | | | | | | | | | | | | | A. What is the median for this exam? Median: 8 | | | | | | | | | | | | | B. What is the mode? Mode: 4.5 | | | | | | | | | | | | | | C. What is the mean? Mean: 4.91 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | III. A student kept strack of the number of hours she studied each day for a 2-week period. The following daily scores were recorded (scores are in hours): | 2.5, 3.2, 3.8, 1.3, 1.4, 0, 0, 2.6, 5.2, 4.8, 0, 4.6, 2.8, 3.3. Calculate | | | | | | | | | | A. The mean number of hours studied per day = 2.54 hrs | | | | | | | | | | | | B. The median number of hours studied per day = 2.7
Median: 19.5Mode: 30 | | | | | | | | | | | | | C. 1.5, 4.5, 3.2, 1.8, 5.0, 2.2Mean: 3.03Median: 2.7Mode: No mode | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | II. The following scores resulted from a biology exam: | | | | | | | | | | | Scores | f | Cumf | Cum% | Midpoint | fx | 95-99 | 3 | 54 | 5.56 | 4.70 | 14.1 | 90-94 | 3 | 51 | 5.56 | 4.23 | 12.69 | 85-89 | 5 | 48 | 9.26 | 3.78 | 18.9 | 80-84 | 6 | 43 | 11.11 | 3.36 | 20.16 | 75-79 | 6 | 37 | 11.11 | 2.96 | 17.76 | 70-74 | 8 | 31 | 14.81 | 2.60 | 20.8 | 65-69 | 7 | 23 | 12.96 | 2.24 | 15.68 | 60-64 | 6 | 16 | 11.11 | 1.92 | 11.52 | 55-59 | 5 | 10 | 9.26 | 1.62 | 8.1 | 50-54 | 3 | 5 | 5.56 | 1.35 | 4.05 | 45-49 | 2 | 2 | 3.70 | 1.10 | 2.2 | | Total f=54 | | | | | | | | | | | | | | | | | | | | | A. What is the median for this exam? Median: 8 | | | | | | | | | | | | | B. What is the mode? Mode: 4.5 | | | | | | | | | | | | | | C. What is the mean? Mean: 4.91 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | III. A student kept strack of the number of hours she studied each day for a 2-week period. The following daily scores were recorded (scores are in hours): | 2.5, 3.2, 3.8, 1.3, 1.4, 0, 0, 2.6, 5.2, 4.8, 0, 4.6, 2.8, 3.3. Calculate | | | | | | | | | | A. The mean number of hours studied per day = 2.54 hrs | | | | | | | | | | | | B. The median number of hours studied per day = 2.7