You are working with the ToothGrowth dataset. You want to use the skim$\_$without$\_$charts$()$ function to get a comprehensive view of the dataset. Write the code chunk that will give you this view.

$1$

Reset

What is the average value of the len column?

$1$ point

$7\mathrm{.}65$

$18\mathrm{.}8$

$13\mathrm{.}1$

$4\mathrm{.}2$