Statistics Flashcards
1
Q
The hardy weinberg equation
A
p2 + 2pq + q2 = 1
p+q=1
dominant alleles are p, recessive are q
2
Q
Chi squared
A
sum (O-E)2 / E
use this value and the table to determine if it lies to the left or right of the tabulated value. If it lies to the left, accept null hypothesis
3
Q
Null hypothesis
A
There is no significant difference between expected and observed ratios
4
Q
How to find confidence limits
A
t test x standard error
5
Q
t test
A
(mean 1) - (mean 2)
—————————– d.f = (n1-n2) - 2
root of (variance 1-2)