R Dataset / Package Stat2Data / Backpack

How To Create a Barplot

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How To Create a Stacked Barplot

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How To Create a Pie Chart

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How To Compute the Mean

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How To Create a Plot

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How to Compute the Median

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Boxplot

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Correlation Coefficient

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Cumulative Frequency Histogram

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Dotplot

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Hollow Histogram

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Numerical Summaries

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Pie Chart

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Plot

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Regression

Stem and Leaf Plots

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Visual Summaries

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Embed
<iframe src="https://embed.picostat.com/r-dataset-package-stat2data-backpack.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-20199.csv 4.14 KB
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0
Dataset Help

On this Picostat.com statistics page, you will find information about the Backpack data set which pertains to Backpack. The Backpack data set is found in the Stat2Data R package. You can load the Backpack data set in R by issuing the following command at the console data("Backpack"). This will load the data into a variable called Backpack. If R says the Backpack data set is not found, you can try installing the package by issuing this command install.packages("Stat2Data") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Backpack R data set. The size of this file is about 4,235 bytes.

Documentation

Backpack

Description

Backpack weights for a sample of college students

Format

A dataset with 100 observations on the following 9 variables.

BackpackWeight Backpack weight (in pounds)
BodyWeight Body weight (in pounds)
Ratio BackpackWeight/BodyWeight
BackProblems 0=no or 1=yes
Major Code for academic major
Year Year in school
Sex a factor with levels Female Male
Status Graduate or undergraduate? G or U
Units Number of credits taken that quarter

Details

A survey of students at California Polytechnic State University (San Luis Obispo) collected data to investigate the question of whether back aches might be due to carrying heavy backpacks,

Source

Mintz J., Mintz J., Moore K., and Schuh K., "Oh, My Aching Back! A Statistical Analysis of Backpack Weights," Stats: The Magazine for Students of Statistics, vol. 32, 2002, pp. 1719.

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Dataset imported from https://www.r-project.org.

R Output Date
Picostat Output - Arithmetic Mean Jun 4, 2019