In: Statistics and Probability
chi square goodness of fit test
Epistasis is a phenomenon in which one gene controls the expression of another. In one case, a dihybrid cross should yield a 9:3:4 ratio. You collect the following data on mice: black coat: 69 brown coat: 23 white coat: 30 Is there any reason to doubt the ratio of 9 black : 3 brown : 4 white?