STAT210prob3.19: STAT210prob3.19: Donations to the Opera

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

STAT210prob3.19: Donations to the Opera

Description

A regional opera company has tried three approaches to solicit donations from 24 potential sponsors. The sponsors were randomly divided into three groups of eight and one approach was used for each group. This data shows the dollar amounts of the resulting contributions for each of the sponsors.

Usage

STAT210prob3.19

Format

A data frame with 24 observations (rows) and 3 variables (columns).

	Column name	Data type	Description	Values
[,1]	Approach	integer	3 different approaches	(1, 2, 3)
[,2]	Contribution	integer	The donation from each sponsor in $	(900 - 2000)
[,3]	RESI1	numeric	Residuals	(-537.5 - 493.75)

Details

This is data from Exercise 3.19 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(STAT210prob3.19)

# Get the residuals
STAT210prob3.19$Approach <- as.factor(STAT210prob3.19$Approach)
res <- aov(Contribution ~ Approach, data = STAT210prob3.19)
res$residuals

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