Propeller Opera - Volume 5 - 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

1,603 words

85% Coverage

2,352 words

90% Coverage

3,575 words

95% Coverage

5,682 words

98% Coverage

8,273 words

99% Coverage

9,137 words

Total Words

10,001

Difficulty Progression

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

Progress	Difficulty	Peak
0%	3.93/5	4.56/5
10%	3.87/5	4.57/5
20%	4.27/5	4.71/5
30%	3.95/5	4.59/5
40%	3.36/5	4.25/5
50%	3.43/5	4.23/5
60%	4.10/5	4.65/5
70%	4.11/5	4.64/5
80%	4.08/5	4.63/5
90%	3.55/5	4.49/5
Overall	3.94/5	4.59/5

Deciles

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

10%

2.06/5

20%

2.81/5

25%

3.07/5

30%

3.25/5

40%

3.60/5

50%

3.94/5

60%

4.17/5

70%

4.38/5

80%

4.59/5

90%

4.79/5

Overall Difficulty

3.94/5

Peak Difficulty

4.59/5