***

* Reading: Ch. 4.5-4.6
* Exercises to hand in: 4.16, 4.19 parts a-c and e. (no d, f, g), 4.22 (for part b, just use one method)

***

```{r, message=FALSE, warning=FALSE}
library(tidyverse)
library(Stat2Data)
library(skimr)
library(mosaic)
set.seed() # set your seed!
```


#### 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)
```


#### Exercise 4.22 (for b, just use one method)
```{r}
data(SATGPA)
head(SATGPA)
```




