STAT210prob3.17: STAT210prob3.17: Car Lease Length

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

STAT210prob3.17: Car Lease Length

Description

A rental care company wants to investigate whether the type of car rented affects the length of the rental period. An experiment is run for one week at a particular location, and 10 rental contracts are selected at random for each car type.

Usage

STAT210prob3.17

Format

A data frame with 40 observations (rows) and 4 variables (columns).

	Column name	Data type	Description	Values
[,1]	Type_of_Car	character	4 car categories	("Sub-compact"..."Full Size")
[,2]	Days	integer	The rental period in days	(1 - 10)
[,3]	Sqrt_days	numeric	The square root of the lease period	(1 - 3.16228)
[,4]	RESI1	numeric	Residuals	(-0.962723 - 0.917279)

Details

This is data from Exercise 3.17 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(STAT210prob3.17)

# Get the residuals
STAT210prob3.17$Type_of_Car <- as.factor(STAT210prob3.17$Type_of_Car)
res <- aov(Sqrt_days ~ Type_of_Car, data = STAT210prob3.17)
res$residuals

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