Boundaries: 89.5-104.5, 104.5-119.5, 119.5-134.5, 134.5-149.5, 149.5-164.5, 164.5-179.5
Frequency 24, 62, 72, 26, 12, 4=200
1. Determine the cumulative for each class
2. Determine the cumalative percents for each class by dividing each cumative frequency by 200 and multiplying by 100%.
3. Plot percents in a graph
4. Is the distribution normal? Do you feel that this distribution is approximately normal? Explain