Chap 7 Review

\[ \newcommand{\dnorm}{\text{dnorm}} \newcommand{\pnorm}{\text{pnorm}} \newcommand{\recip}{\text{recip}} \]

Exercise 1 In the book, what is meant by the word β€œvariable”?

input to a function

output from a function

A column in a data frame.

question id: drill-M04-8b

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