Data Visualizationmedium
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A cumulative frequency graph tracks test scores for 250 students. The cumulative frequencies are: Score ≤ 50: 15 students; Score ≤ 60: 50 students; Score ≤ 70: 130 students; Score ≤ 80: 210 students; Score ≤ 90: 245 students. What percentage of students scored between 60 and 80 (inclusive)?
A cumulative frequency graph tracks test scores for 250 students. The cumulative frequencies are: Score ≤ 50: 15 students; Score ≤ 60: 50 students; Score ≤ 70: 130 students; Score ≤ 80: 210 students; Score ≤ 90: 245 students. What percentage of students scored between 60 and 80 (inclusive)?