1.4 Some graphs

Let’s have a look at the data:

## # A tibble: 288 x 3
##    subject gender height
##    <fct>   <chr>   <dbl>
##  1 1       male     193.
##  2 2       female   151.
##  3 3       female   165.
##  4 4       female   146.
##  5 5       male     183.
##  6 6       female   175.
##  7 7       female   165 
##  8 8       male     180.
##  9 9       male     196.
## 10 10      female   158.
## # ... with 278 more rows