First time here? Checkout the FAQ!
x
+1 vote
568 views
asked in general by (700 points)  
  

1 Answer

0 votes
answered by (700 points)  
For mean +-1 standard deviation, 68% of data items.

For mean +-2 standard deviation, 95% of data items.

For mean +-3 standard deviation, 99.7% of data items.
...