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knitr
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Recall:
 
\begin_inset Formula $\sigma_{XY}:=E\left[\left(X-\mu_{X}\right)\left(Y-\mu_{y}\right)\right]$
\end_inset

.
 
\begin_inset Formula $X$
\end_inset

 is monthly income,
 measured in $1000's,
 
\begin_inset Formula $Y$
\end_inset

 is years of education.
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status open

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include = FALSE
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\begin_layout Plain Layout

# create data set...
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\begin_layout Plain Layout

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\begin_layout Plain Layout

x <- 3
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\begin_layout Plain Layout

\end_layout

\end_inset


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blah
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