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

1,303 words

85% Coverage

1,980 words

90% Coverage

3,124 words

95% Coverage

5,336 words

98% Coverage

8,216 words

99% Coverage

9,255 words

Total Words

10,294

Difficulty Progression

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

Progress	Difficulty	Peak
0%	3.28/5	4.11/5
10%	3.44/5	4.09/5
20%	3.01/5	3.79/5
30%	3.39/5	3.97/5
40%	3.38/5	4.09/5
50%	3.43/5	4.40/5
60%	3.32/5	3.96/5
70%	3.15/5	3.80/5
80%	3.32/5	4.19/5
90%	3.24/5	4.19/5
Overall	3.31/5	4.07/5

Deciles

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

10%

1.48/5

20%

2.17/5

25%

2.44/5

30%

2.70/5

40%

3.07/5

50%

3.31/5

60%

3.55/5

70%

3.78/5

80%

4.07/5

90%

4.52/5

Overall Difficulty

3.31/5

Peak Difficulty

4.07/5