Home Â» How to Calculate a Five Number Summary in SPSS

# How to Calculate a Five Number Summary in SPSS

AÂ five number summaryÂ is a way to summarize a dataset using the following five values:

• The minimum
• The first quartile
• The median
• The third quartile
• The maximum

The five number summary is useful because it provides a concise summary of the distribution of the data in the following ways:

• It tells us where the middle value is located, using the median.
• It tells us how spread out the data is, using the first and third quartiles.
• It tells us the range of the data, using the minimum and the maximum.

This tutorial explains how to quickly calculate a five number summary for a dataset in SPSS.

### Example: Five Number Summary in SPSS

Suppose we have the following dataset in SPSS that displays the annual income (in thousands) of 15 individuals:

To calculate the five number summary for this dataset, click theÂ AnalyzeÂ tab, thenÂ Descriptive Statistics, thenÂ Frequencies:

In the new window that pops up, drag the variableÂ incomeÂ into the box labelled Variable(s).

Next, click theÂ StatisticsÂ button. Make sure each of the following boxes is checked:

• Quartiles
• Minimum
• Maximum
• Median

Then clickÂ Continue.

Then clickÂ OK. The five number summary results will appear:

From the results we can see the five number summary for this dataset is as follows:

• The minimum:Â 18
• The first quartile:Â 34.00
• The median:Â 54.00
• The third quartile:Â 85.00
• The maximum:Â 108