Brain Valley - Volume 1 - 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

1,308 words

85% Coverage

1,984 words

90% Coverage

3,128 words

95% Coverage

5,342 words

98% Coverage

8,230 words

99% Coverage

9,274 words

Total Words

10,318

Difficulty Progression

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

Progress	Difficulty	Peak
0%	3.32/5	4.15/5
10%	3.48/5	4.13/5
20%	3.05/5	3.83/5
30%	3.43/5	4.01/5
40%	3.42/5	4.13/5
50%	3.47/5	4.44/5
60%	3.36/5	4.00/5
70%	3.19/5	3.84/5
80%	3.36/5	4.23/5
90%	3.28/5	4.23/5
Overall	3.35/5	4.11/5

Deciles

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

10%

1.52/5

20%

2.21/5

25%

2.48/5

30%

2.74/5

40%

3.11/5

50%

3.35/5

60%

3.59/5

70%

3.82/5

80%

4.11/5

90%

4.56/5

Overall Difficulty

3.35/5

Peak Difficulty

4.11/5