Family {BSDA} | R Documentation |

## Size of family versus cost per person per week for groceries

### Description

Data for Exercise 2.89

### Usage

```
Family
```

### Format

A data frame/tibble with 20 observations on two variables

- number
number in family

- cost
cost per person (in dollars)

### References

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

### Examples

```
plot(cost ~ number, data = Family)
abline(lm(cost ~ number, data = Family), col = "red")
cor(Family$cost, Family$number)
## Not run:
library(ggplot2)
ggplot2::ggplot(data = Family, aes(x = number, y = cost)) +
geom_point() +
geom_smooth(method = "lm") +
theme_bw()
## End(Not run)
```

[Package

*BSDA*version 1.2.2 Index]