```r
shapiro.test(Site1)
```

```
## 
## 	Shapiro-Wilk normality test
## 
## data:  Site1
## W = 0.98072, p-value = 0.8888
```

```r
shapiro.test(Site2)
```

```
## 
## 	Shapiro-Wilk normality test
## 
## data:  Site2
## W = 0.92194, p-value = 0.05673
```

```r
shapiro.test(Site3)
```

```
## 
## 	Shapiro-Wilk normality test
## 
## data:  Site3
## W = 0.90365, p-value = 0.3115
```