mean $($wine$price, na$.$rm$=1)$

# CG Q$5$a # Use the mean$()$ function to calculate the average points for the Napa Sonoma sub$-$region.

$33$

##### Your code should pe a single line and will use the square brackets for subsetting.. wine$

# CG Q$5$b # Use the mean$()$ function to calculate the average price for the Napa Sonoma sub$-$regionusing a single line of code.

# CG Q$6$ # Now we'll practice our counting skills again.

##### The rating scale being used by these tasters orignally had $91$ as the highest possible score

##### and now goes to $100$ for exceedingly delicious wines.

##### Use the sum$()$ function on a logical vector that checks for whether points are greater than $91$ or not

#### to count the number of wine ratings with more than $91$ points.

# CG Q$7$a # Now we'll practice subsetting on more than one criteria. ##### Use the mean$()$ function to compute the average points for wines ##### that are chardonnay and from the Napa Sonoma sub$-$region.

# CG Q$7$b # More practice subsetting on more than one criteria. ##### Use the mean$()$ function to compute the average price for wines that are