BSDA (version 1.01)

Concrete: Compressive strength of concrete blocks made by two different methods

Description

Data for Exercise 7.17

Usage

Concrete

Format

A data frame with 20 observations on the following 3 variables.

Strength

a numeric vector

Method

a numeric vector

Ranks

a numeric vector

Examples

# NOT RUN {
str(Concrete)
attach(Concrete)
wilcox.test(Strength~Method,alternative="greater")
detach(Concrete)
# }