You should now know how to calculate the median in SPSS. (The mean is 7.3541, and the standard deviation is 2.33632).

The result appears in SPSS’s output viewer.Īs you can see, this is very easy to interpret.įor our example, the median value is 7.02. You’re now set up to calculate the median. This isn’t necessary, but the option will provide useful additional information. It’s probably worth noting that we’ve also selected Display frequency tables at the bottom on the left. You should now be looking at something like this. In the Graph menu, you will find the following graphing methods that allow. SPSS L egacy dialogs for charts contain way more charts than most users are aware of and generate much nicer, cleaner syntax than the C hart Builder. We’ve also selected Mean and Standard Deviation, just because these are standard measures of central tendency and dispersion (respectively). As IBM SPSS evolved over the years, there have been several generations of graphs included in the program. Creating a GRAPH command from the menu -as shown below- allows us to set nice custom titles and makes it easier to style our charts with an SPSS chart template. Here you just want to tick the Median option under Central Tendency on the right. Once you’ve set this up, hit the Statistics button to bring up the Statistics dialog box. You can do this by dragging and dropping, or by selecting the variable on the left, and then clicking the arrow in the middle. You need to get the variable for which you wish to calculate the median into the Variable(s) box on the right. This will bring up the Frequencies dialog box. Statistics Tutorials : 50 Statistics Tutorials. This is probably the easiest.Ĭlick Analyze -> Descriptive Statistics -> Frequencies. Normal Distribution or Symmetric Distribution : If a box plot has equal proportions around the median. There are a number of different ways of calculating the median in SPSS.

In other words, you want to know the duration in seconds that lies exactly at the midpoint of the distribution of all durations. You want to find out the median of the duration variable. So we’ve got three variables here: (a) duration – which is the duration in seconds it takes to complete a certain task (b) sex – male or female and (c) height – in inches. This is the data set with which we’re going to be working.

Click the Statistics button, select Median under Central Tendency, and then press Continue.

Move the variable for which you wish to calculate the median into the right-hand column.

Click Analyze -> Descriptive Statistics -> Frequencies.

Create box plot spss ibm