Standard deviations Flashcards
1
Q
What percentage of values are within 1 standard deviation on a normal bell curve?
A
68%
2
Q
2 standard deviations?
A
95%
3
Q
3 standard deviations?
A
99.7%
Year 2 Revision > Standard deviations > Flashcards
What percentage of values are within 1 standard deviation on a normal bell curve?
68%
2 standard deviations?
95%
3 standard deviations?
99.7%