Chart A

Chart B

Chart C

# A tibble: 10 × 5
   manufacturer model      class   displ   hwy
   <chr>        <chr>      <chr>   <dbl> <int>
 1 audi         a4         compact   1.8    29
 2 audi         a4         compact   1.8    29
 3 audi         a4         compact   2      31
 4 audi         a4         compact   2      30
 5 audi         a4         compact   2.8    26
 6 audi         a4         compact   2.8    26
 7 audi         a4         compact   3.1    27
 8 audi         a4 quattro compact   1.8    26
 9 audi         a4 quattro compact   1.8    25
10 audi         a4 quattro compact   2      28