Dictionary

power function

noun

Definition of POWER FUNCTION

1
:  a function of a parameter under statistical test whose value for a particular value of the parameter is the probability of rejecting the null hypothesis if that value of the parameter happens to be true
2
:  a function (as f(x) = axk) that equals the product of a constant and a power of the independent variable

First Known Use of POWER FUNCTION

1957

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