9S - Volume 4 - 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

1,262 words

85% Coverage

1,914 words

90% Coverage

2,962 words

95% Coverage

5,076 words

98% Coverage

7,138 words

99% Coverage

7,826 words

Total Words

8,513

Difficulty Progression

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

Progress	Difficulty	Peak
0%	3.73/5	4.49/5
10%	3.38/5	4.08/5
20%	3.14/5	4.04/5
30%	3.57/5	4.34/5
40%	3.67/5	4.48/5
50%	3.67/5	4.49/5
60%	4.10/5	4.64/5
70%	4.10/5	4.64/5
80%	3.54/5	4.37/5
90%	3.30/5	3.87/5
Overall	3.59/5	4.44/5

Deciles

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

10%

1.46/5

20%

2.44/5

25%

2.72/5

30%

2.97/5

40%

3.29/5

50%

3.59/5

60%

3.89/5

70%

4.16/5

80%

4.44/5

90%

4.72/5

Overall Difficulty

3.59/5

Peak Difficulty

4.44/5