Question: 4 & 5 are wrong # Q4 # Use the mean() function to compute the average ###### lot frontage of the homes in this dataset.

$4 & 5 are wrong \# Q4 \# Use the mean()$

4 & 5 are wrong

\# Q4 \# Use the mean() function to compute the average \#\#\#\#\#\# lot frontage of the homes in this dataset. mean(!is.na(train\$LotFrontage)) \# Q5 \# Use the mean() function to compute the average \#\#\#\#\#\# lot frontage for a home with at least 1 fireplace. mean(train\$LotFrontage [train\$Fireplaces >=1] )

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