365)In our example, χ20. stackexchange.
CharlesHi Charles,
Thanks for your help. The precise distribution cannot be characterized in terms of common distributions, but may be calculated exactly for small samples; for larger samples, it is common to use an approximation to the normal distribution, with mean zero and variance
A pair
{
(
x
i
,
x
j
)
,
(
y
i
,
y
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j
)
}
{\displaystyle \{(x_{i},x_{j}),(y_{i},y_{j})\}}
is said to be tied if
x
i
=
x
j
{\displaystyle our website
or
y
i
y
{\displaystyle y_{i}=y_{j}}
; a tied pair is neither concordant nor discordant. .