Data used in Exercises 1.91 and 3.68



A data frame/tibble with 51 observations on two variables


a factor with levels Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Colunbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missour, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming


average monthly payment per person in a family


US Department of Health and Human Services, 1993.


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


hist(Aid$payment, xlab = "payment", main = 
"Average monthly payment per person in a family", 
col = "lightblue")

boxplot(Aid$payment, col = "lightblue")

dotplot(state ~ payment, data = Aid)