***

* Reading: Ch. 2
* Exercises to hand in:  2.12, 2.14, 2.15, 2.30, 2.44

***

```{r, message=FALSE}
library(tidyverse)
library(Stat2Data)
library(skimr)
```


#### Exercise 2.12

#### Exercise 2.14

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

#### Exercise 2.15



#### Exercise 2.30

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

#### Exercise 2.44

For this question, use R as a calculator to show your arithmetic. 
