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Graphical Analysis of Age Data: Histogram and Stem-and-Leaf Plot, Slides of Economic statistics

Manav Bharti UniversityEconomic statistics

Instructions on how to create and interpret histograms and stem-and-leaf plots using the docsity.com software for data analysis. Histograms display the distribution of a quantitative variable by showing the relative concentration of data points along different intervals, while stem-and-leaf plots provide a more detailed view of the distribution by grouping data around a central value. Follow the steps outlined in the document to produce and interpret these graphs for the variable 'age'.

Typology: Slides

2011/2012

Uploaded on 11/10/2012

dipen
dipen 🇮🇳

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Graphical Exploration of a
Continuous variable
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Download Graphical Analysis of Age Data: Histogram and Stem-and-Leaf Plot and more Slides Economic statistics in PDF only on Docsity!

Graphical Exploration of a

Continuous variable

Be Able to Produce and Interpret:

A:Histogram

Use Graphs/Histogram

. In the Variable menu select the

Variable age and enter it in the Boxes

Represent

  • Tick Display normal courve . Click OK

Q05D Age

0.0 10.020.030.040.050.060.070.080.090.0100.

20000

10000

0

Std. Dev = 18. Mean = 22. N = 103981.

A histogram Displays the distribution of a quantitative variable by showing the relative concentration of data points along different intervals or section of the scale on which the data are measured