STAT210prob2.26: STAT210prob2.26: Bottle Filling Machines

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

STAT210prob2.26: Bottle Filling Machines

Description

Two machines are used for filling plastic bottles with a net volume of 16 ounces. The filling processes can be assumed to be normal, with standard deviations of \sigma_{1} = 0.015 and \sigma_{2} = 0.018. The quality engineering department suspects that both machines fill to the same net volume, whether or not this volume is 16 ounces. An experiment is performed by taking a random sample of bottles from the output of each machine.

Usage

STAT210prob2.26

Format

A data frame with 10 observations (rows) and 2 variables (columns).

	Column name	Data type	Description	Values
[,1]	Machine1	numeric	Net volume in ounces	(15.96 - 16.05)
[,2]	Machine2	numeric	Net volume in ounces	(15.96 - 16.04)

Details

This is data from Exercise 2.26 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(STAT210prob2.26)

# Stacked data
Machines <- stack(STAT210prob2.26)
colnames(Machines) <- c("ounces", "machine")

# Ounces per machine
boxplot(ounces ~ machine, data = Machines,
        col = "turquoise1")

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