Returns the one-tailed probability of the χ2 distribution. The χ2 distribution was correlated with the χ2 test. The chi-square test can be used to compare the observed and expected values. For example, a genetics experiment
Suppose that the next generation of plants will take on a certain set of colors. Using this function to compare the observations with the expected value, you can determine whether the initial assumption is valid.
grammar
CHIDIST(x,degrees_freedom)
X is used to calculate the value of the distribution.
Degrees_freedom Specifies the number of degrees of freedom.
Instructions
■ If x is negative, CHIDIST returns the #NUM! Error value .
■ If any of the arguments is non-numeric, CHIDIST returns the #VALUE! Error value. .
■ If degrees_freedom < 1 or degrees_freedom≥ 10^10, CHIDIST returns the #NUM! Error value .
■ If degrees_freedom is not an integer, it will be rounded by truncation.
■ Function CHIDIST by CHIDTST=P(X> x) calculation, where X is the random variable of χ2.
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