Class test-score distribution
A print-ready classroom chart with equal-width score bins.
Create a histogram titled "Grade 8 Science Test Scores" for 80 students. Use adjacent 10-point bins: 40-49, 50-59, 60-69, 70-79, 80-89, and 90-100. Frequencies are 3, 7, 14, 24, 21, and 11. Label the x-axis "Test score" and the y-axis "Number of students". Show the count above each bar. Clean classroom style, white background.