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Power function of a statistical test
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Probability and statistics
Statistical model
Statistical modelling
Statistical hypothesis testing
Created
2026-09-24
Updated
2026-10-03
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For
a
test
with rejection region
R
, its
power
function
is
π
(
θ
)
=
P
θ
(
X
∈
R
)
.
(1)
Its
supremum
over the null
parameter space
is the
size
of the
test
.
Ancestors
(7)
Statistical hypothesis testing
Statistical modelling
Statistical model
Probability and statistics
Area of mathematics
Mathematics
Home
Incoming links
(2)
Past exam of the mathematics course of the University of Cambridge
/
2007
/
ib
/
Paper 2
/
19C
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2024
/
ib
/
Paper 1
/
18H
/
c
/
Solution
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(1)
codex/power-function
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