Propeller Opera - Statistics

Coverage

This shows how much text coverage you'll have if you know the most X frequent words in that work.

Vocabulary Coverage

Milestones

80% Coverage

2,085 words

85% Coverage

3,136 words

90% Coverage

4,912 words

95% Coverage

8,494 words

98% Coverage

13,195 words

99% Coverage

16,387 words

Total Words

19,579

Difficulty Progression

Shows how the difficulty changes as you progress through the volumes.

Progress	Difficulty	Peak
Vol 1	4.00/5	4.60/5
Vol 2	4.14/5	4.66/5
Vol 3	4.11/5	4.64/5
Vol 4	3.51/5	4.44/5
Vol 5	3.94/5	4.59/5
Overall	3.97/5	4.66/5

Deciles

Shows the difficulty level at or below which X% of the text falls.

10%

2.14/5

20%

2.88/5

25%

3.10/5

30%

3.30/5

40%

3.68/5

50%

3.97/5

60%

4.19/5

70%

4.40/5

80%

4.60/5

90%

4.80/5

Overall Difficulty

3.97/5

Peak Difficulty

4.66/5