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Published on 09 Mar 2013 | over 4 years ago

Find the Mean, Median, and Mode (Measures of Central Tendency) in SPSS. Step by step instructions provided.

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Finding the three measures of central tendency in SPSS are covered in this video.

Mean = sum of all the values divided by the total number of values
Median = the middle value when the scores are ordered from lowest to highest.
Mode = the most frequently occurring value.

Video transcript - Mean, median, and mode (measures of central tendency)
Here we'll take a look at how to find the mean, median, and mode on a variable. And in this example, we have the variable exam score, and notice there are 15 different people on this variable. So we have 15 different exam scores. To obtain the mean, the median, and the mode, we'll go ahead and go to analyze and then descriptive statistics. And now many users may think they can use one of these two options, either descriptives or frequencies. Now descriptives -- the problem with this choice -- if you chose descriptives, is that you can only obtain the mean with this option. To obtain the mean, the median, and the mode, we'll want to select frequencies, so go ahead and click on that, and then we have a variable exam score -- we want to move that to the right, to the variables box, and select statistics. Under statistics, notice to the right we see central tendency, and notice how mean, median, and mode are presented. So we want to go ahead and check all of those and I'll just check the sum as well since I'm there. Go ahead and click continue. And then I'm going to deselect this display frequencies tables box so I don't get a frequency table as well since that's not of interest for this analysis. So go ahead and check on that to deselect it and then click ok.
Then we get our output and notice we have this one table on exam score. We have 15 observations, zero are missing, meaning we have data for all 15 people, and then we have the mean, median, and mode presented. The mean rounding to 2 decimal places is 83.53, the median is 87, the mode is 93, and the sum is 1253. As a brief review of these measures of central tendency, the mean is the arithmetic average, the median is the middle score, also known at the 50th percentile, and the mode is the most frequently occurring score in the data set.
So that's it. To obtain the mean, median, and mode in SPSS, once again you just want to go to analyze, descriptive statistics, and then frequencies and select the appropriate options, and you'll have the 3 measures of central tendency.

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Channel Description: For step by step help with statistics, with a focus on SPSS. Both descriptive and inferential statistics covered. For descriptive statistics, topics covered include: mean, median, and mode in spss, standard deviation and variance in spss, bar charts in spss, histograms in spss, bivariate scatterplots in spss, stem and leaf plots in spss, frequency distribution tables in spss, creating labels in spss, sorting variables in spss, inserting variables in spss, inserting rows in spss, and modifying default options in spss. For inferential statistics, topics covered include: t tests in spss, anova in spss, correlation in spss, regression in spss, chi square in spss, and MANOVA in spss. New videos regularly posted. Videos series coming soon include: multiple regression in spss, factor analysis in spss, nonparametric tests in spss, multiple comparisons in spss, linear contrasts in spss, and many more. Subscribe today!
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