Family: Size of family versus cost per person per week for groceries

FamilyR 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)


BSDA documentation built on Sept. 19, 2023, 1:08 a.m.