Silver nanoparticles size (nm) | Tally marks | Frequency | Relative frequency | Percent relative frequency (%) |
---|---|---|---|---|
28.41 | 111 | 3 | 3/12 = 0.25 | 0.25 × 100 = 25 |
16.20 | 111 | 3 | 3/12 = 0.25 | 0.25 × 100 = 25 |
20.24 | 11 | 2 | 2/12 = 0.17 | 0.17 × 100 = 17 |
32.40 | 11 | 2 | 2/12 = 0.17 | 0.17 × 100 = 17 |
42.44 | 11 | 2 | 2/12 = 0.17 | 0.17 × 100 = 17 |
Total | 12 | 12 | 12/12 − 1.0 | 1.00 × 100 = 100 |