***

* Reading: Ch. 9, 10
* Exercises to hand in: 9.14, 9.15, 9.18 10.2, 10.4, 10.12

***

#### Exercise 9.14

```{r}
data(MedGPA)
head(MedGPA)
```


#### Exercise 9.15

#### Exercise 9.18
```{r}
data(Titanic)
head(Titanic)
```

#### Exercise 10.2

#### Exercise 10.4

#### Exercise 10.12
```{r}
data(Titanic)
head(Titanic)
```