***

* Reading: Ch. 4.5-4.6
* Exercises to hand in: 4.10, 4.12, 4.16, 4.19 parts a-c and e. (no d, f, g). 

***

```{r, message=FALSE, warning=FALSE}
require(mosaic)
require(Stat2Data)
```

#### Exercise 4.10
```{r}
data(ReligionGDP)
head(ReligionGDP)
```

#### Exercise 4.12

#### Exercise 4.16
```{r}
data(BaseballTimes)
head(BaseballTimes)
```

#### Exercise 4.19 parts a-c and e. (no d, f, g). 
```{r}
data(HighPeaks)
head(HighPeaks)
```





