Question $11$

For each of the remodeled houses, calculate how old in years the house was when it was remodeled. What is the average age of homes when they are remodeled?

Hints:

Print out the mean of the new column created in the previous question.

poliseriesamean$(1)$

$[121]$ # Answer here

Calculate the age of each remodeled house when it was remodeled

# Print out the mean of the new column

average$\_$age$\_$when$\_$remodeled $=$ houses $[\text{'}$AgeWhenRemodeled$\text{'}1,$ mean$()$

print$("$Average age of homes when they are remodeled:", average$\_$age$\_$Mhen$\_$remodeled, "years"$)$

$4$ tranes

pandas$/\_$libs$/$hashtable$\_$class$\_$helper.pxi in pandas.$\_$libs,hashtable. PyobjecthashTable.get$\_$item$()$

pandas$/\_$libs$/$hashtable$\_$class$\_$helper.pxi in pandas.$\_$libs.hashtable. PyobjecthlashTable.get$\_$Item$()$

KeyError: 'YearRemodAdd'