How many degrees of freedom are there in a chi-squared analysis of phenotype frequencies in the offspring from a dihybrid cross?.

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08-11-2022
Biology

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How many degrees of freedom are there in a chi-squared analysis of phenotype frequencies in the offspring from a dihybrid cross?.

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contexto115 contexto115 · Answer 1 · 2022-11-14T22:35:02-05:00

3 degrees of freedom can be derived from the Chi-squared analysis of phenotype frequencies from a dihybrid cross.

The degrees of freedom in a Chi-squared table tells us how many numbers in the Chi grid are free/independent. It can be found out by the formula

d(f) = N - 1

Here

d(f) = Degrees of freedom

N = number of phenotype frequencies

Since there can be 4 possible phenotype frequencies in a dihybrid cross

d(f) = 4 - 1 = 3

Chi-square table actually serves as a source of reference that enlists the chi-square values which is used by statisticians to support their individual hypothesis. In a Chi-squared test the p value equal to or less than the significance level proves that there is ample evidence to prove that the distribution observed is not the same as distribution expected.

To study more about the Chi-square Table visit

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