Brain Valley - 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

1,481 words

85% Coverage

2,312 words

90% Coverage

3,780 words

95% Coverage

6,836 words

98% Coverage

11,089 words

99% Coverage

13,099 words

Total Words

15,109

Difficulty Progression

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

Progress	Difficulty	Peak
Vol 1	3.31/5	4.07/5
Vol 2	3.40/5	4.30/5
Overall	3.35/5	4.30/5

Deciles

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

10%

1.46/5

20%

2.18/5

25%

2.44/5

30%

2.70/5

40%

3.09/5

50%

3.35/5

60%

3.62/5

70%

3.88/5

80%

4.18/5

90%

4.57/5

Overall Difficulty

3.35/5

Peak Difficulty

4.30/5