Ratings {BSDA} | R Documentation |

## Grade point averages versus teacher's ratings

### Description

Data for Example 2.6

### Usage

```
Ratings
```

### Format

A data frame/tibble with 250 observations on two variables

- rating
character variable with students' ratings of instructor (A-F)

- gpa
students' grade point average

### References

Kitchens, L. J. (2003) *Basic Statistics and Data Analysis*.
Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

### Examples

```
boxplot(gpa ~ rating, data = Ratings, xlab = "Student rating of instructor",
ylab = "Student GPA")
## Not run:
library(ggplot2)
ggplot2::ggplot(data = Ratings, aes(x = rating, y = gpa, fill = rating)) +
geom_boxplot() +
theme_bw() +
theme(legend.position = "none") +
labs(x = "Student rating of instructor", y = "Student GPA")
## End(Not run)
```

[Package

*BSDA*version 1.2.2 Index]