Commit c6d9b03e authored by Robert Ricci's avatar Robert Ricci

Almost done with lecture 10 notes

parent 1229f9f1
......@@ -33,6 +33,7 @@
\2 \textit{Why do we consider our measurements random variables?}
\2 CDF vs. PDF vs. PMF
\2 \textit{How do we calculate probability a value will be within a range?}
\3 Integral (CDF) at point $b$, minus integral at point $a$
\1 Important probability concept: Expectation
\2 ``The value you can expect to get''
......@@ -44,11 +45,12 @@
\2 $E[XY]$ is expected value of $X * Y$
\2 Linearity of expectation
\1 Mean, median, mode
\2 \textit{When to use each}
\2 Categorical: mode, total: mean, skewed: median, else: mean
\2 Additive (arithmetic), multiplicative (geometric), harmonic
\2 Mistakes with means: large range, skewness, multiplying when not
independent, ratio with different bases
\1 Covariance
\2 Measure whether two random variables vary together
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