```
The following objects are masked _by_ .GlobalEnv:
grupo, parasitos
```

Level | Mean | Standard deviation | n | Standard error |
---|---|---|---|---|

Control | 53.6 | 16.28360 | 10 | 5.149326 |

50mg | 46.6 | 16.14655 | 10 | 5.105988 |

125mg | 37.8 | 10.19586 | 10 | 3.224214 |

The ratio of the largest group standard deviation to the smallest is 1.6

```
This graph has 3 boxplots printed vertically
with the title:
"" appears on the x-axis.
"" appears on the y-axis.
Tick marks for the y-axis are at: 20, 30, 40, 50, 60, 70, and 80
Group Control has 10 values.
There are no outliers marked for this group
The whiskers extend to 29 and 85 from the ends of the box,
which are at 40 and 62
The median, 55 is 68 % from the lower end of the box to the upper end.
The upper whisker is 2.09 times the length of the lower whisker.
Group 50mg has 10 values.
There are no outliers marked for this group
The whiskers extend to 20 and 64 from the ends of the box,
which are at 29 and 60
The median, 52 is 74 % from the lower end of the box to the upper end.
The upper whisker is 0.44 times the length of the lower whisker.
Group 125mg has 10 values.
There are no outliers marked for this group
The whiskers extend to 21 and 52 from the ends of the box,
which are at 31 and 46
The median, 35 is 27 % from the lower end of the box to the upper end.
The upper whisker is 0.6 times the length of the lower whisker.
```

```
Warning in dotplot.formula(parasitos ~ grupo, xlab = "Parasitos", ylab =
"Grupo"): The dotplot command is a wrapper for stripchart, and is not a base R
function.
```

```
This graph has 30 dotplots printed horizontally
with the title:
"" appears on the x-axis.
"" appears on the y-axis.
Tick marks for the x-axis are at: 20, 30, 40, 50, 60, 70, and 80
the data that range from 20 to 85 has been broken into 6 bins.
The counts are:
Control: 1 0 0 0 0 0
50mg: 1 0 0 0 0 0
125mg: 1 0 0 0 0 0
NA: 0 1 0 0 0 0
NA: 1 0 0 0 0 0
NA: 1 0 0 0 0 0
NA: 0 1 0 0 0 0
NA: 1 0 0 0 0 0
NA: 0 1 0 0 0 0
NA: 0 0 1 0 0 0
NA: 0 1 0 0 0 0
NA: 0 1 0 0 0 0
NA: 0 0 1 0 0 0
NA: 0 0 1 0 0 0
NA: 0 1 0 0 0 0
NA: 0 0 0 1 0 0
NA: 0 0 0 1 0 0
NA: 0 1 0 0 0 0
NA: 0 0 0 1 0 0
NA: 0 0 0 1 0 0
NA: 0 0 1 0 0 0
NA: 0 0 0 1 0 0
NA: 0 0 0 1 0 0
NA: 0 0 1 0 0 0
NA: 0 0 0 0 1 0
NA: 0 0 0 1 0 0
NA: 0 0 1 0 0 0
NA: 0 0 0 0 0 1
NA: 0 0 0 0 1 0
NA: 0 0 1 0 0 0
```

```
The p value for grupo is 0.0674
The ratios of the group standard deviations to the overall standard deviation
(groups ordered by increasing mean) are:
1.12 1.11 0.7
```

```
Df Sum Sq Mean Sq F value Pr(>F)
grupo 2 1254 626.8 2.986 0.0674 .
Residuals 27 5668 209.9
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
```

```
Bartlett test of homogeneity of variances
data: parasitos by grupo
Bartlett's K-squared = 2.168, df = 2, p-value = 0.3382
```

```
Fligner-Killeen test of homogeneity of variances
data: parasitos by grupo
Fligner-Killeen:med chi-squared = 2.2805, df = 2, p-value = 0.3197
```