STAT210prob3.20: STAT210prob3.20: Brick Density and Firing Temperatures

In thoree/stat340: Data and functions for BIAS at NMBU

STAT210prob3.20: Brick Density and Firing Temperatures

Description

This data is from an experiment which was run to determine whether four specific firing temperatures affect the density of a certain type of brick. The firing temperatures used in the experiment are 100, 125, 150 and 175.

Usage

STAT210prob3.20

Format

A data frame with 18 observations (rows) and 3 variables (columns).

	Column name	Data type	Description	Values
[,1]	Temp	integer	The firing temperature	(100 - 175)
[,2]	Density	numeric	Measured density of the brick	(21.4 - 21.9)
[,3]	RESI1	numeric	Residuals	(-0.3 - 0.2)

Details

This is data from Exercise 3.20 in Design and Analysis of Experiments, 9th Edition, EMEA Edition.

Source

Montgomery, D. C. (2019) Design and Analysis of Experiments, 9th Edition, EMEA Edition. New York: Wiley.

Examples

# A short summary of the variables
summary(STAT210prob3.20)

# Get the residuals
STAT210prob3.20$Temp <- as.factor(STAT210prob3.20$Temp)
res <- aov(Density ~ Temp, data = STAT210prob3.20)
res$residuals

thoree/stat340 documentation built on June 30, 2024, 4:04 p.m.