Suppose you have a dataframe in R named shipping What would the following line of code produce mean ( shipping $ cost shipping $ weight 5 0 ) A average shipping cost for packages over 5 0 pounds B average shipping weight for high cost packages

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Suppose you have a dataframe in R named shipping. What would the following line of code produce? mean ( shipping $ cost [ shipping $

Suppose you have a dataframe in R named "shipping". What would the following line of code produce?

mean

(

shipping $ cost

[

shipping $ weight

> 50])

.

average shipping cost for packages over

50

pounds

.

average shipping weight for high cost packages

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