Anxiety {BSDA} | R Documentation |

## Math test scores versus anxiety scores before the test

### Description

Data used in Exercise 2.96

### Usage

```
Anxiety
```

### Format

A data frame/tibble with 20 observations on two variables

- anxiety
anxiety score before a major math test

- math
math test score

### References

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

### Examples

```
plot(math ~ anxiety, data = Anxiety, ylab = "score",
main = "Exercise 2.96")
with(data = Anxiety,
cor(math, anxiety)
)
linmod <- lm(math ~ anxiety, data = Anxiety)
abline(linmod, col = "purple")
summary(linmod)
```

[Package

*BSDA*version 1.2.2 Index]