Frequency Table (Histogram) | |||||
Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
[20,40[ | 30 | 1 | 0.008333 | 0.008333 | 0.000417 |
[40,60[ | 50 | 17 | 0.141667 | 0.15 | 0.007083 |
[60,80[ | 70 | 35 | 0.291667 | 0.441667 | 0.014583 |
[80,100[ | 90 | 13 | 0.108333 | 0.55 | 0.005417 |
[100,120[ | 110 | 20 | 0.166667 | 0.716667 | 0.008333 |
[120,140[ | 130 | 21 | 0.175 | 0.891667 | 0.00875 |
[140,160[ | 150 | 9 | 0.075 | 0.966667 | 0.00375 |
[160,180] | 170 | 4 | 0.033333 | 1 | 0.001667 |