## Simulated class data

### Description

This data is simulated and is meant to represent students scores from three
different lectures who were all given the same exam.

### Usage

```
classdata
```

### Format

A data frame with 164 observations on the following 2 variables.

- m1
Represents a first midterm score.

- lecture
Three classes: `a`

, `b`

, and `c`

.

### References

OpenIntro Statistics, Chapter 8.

### Examples

```
anova(lm(m1 ~ lecture, classdata))
```