Books read within past year | frequency | relative frequency |
None | 5 | 0.135135135135 |
0-4 | 5 | 0.135135135135 |
5-9 | 2 | 0.054054054054 |
10-14 | 11 | 0.297297297297 |
15-19 | 10 | 0.270270270270 |
20-25 | 4 | 0.108108108108 |
Total | 37 | 1 |
Let x is frequency of books read between 10-14
Total frequency = 37 = 5 + 5 + 2 + x + 10 + 4
x = 11.
Also
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