From the course: SPSS: Wrangling, Visualizing, and Modeling Data

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Comparing proportions

Comparing proportions

From the course: SPSS: Wrangling, Visualizing, and Modeling Data

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Comparing proportions

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- [Instructor] Perhaps the most basic inferential test is a single proportion. It's like determining whether a coin comes up head 50% of the time, or whether a single rolled die comes up 6, 1/6th of the time or more often. I'm going to show you how to do this in SPSS using two variables from a dataset that I created from the demo dataset. So, it's 07_01_proportions.save. And before we get started, it's a good idea to take one more look at the frequencies that you're working with. So, I'm going to come up here to Analyze, and I'm going to come down to Frequencies, and I'm going to pick two, Marital Status and whether a person is Retired. I'm also going to ask it to make a bar chart. So, I click on that. And here we see that it looks like they are about equal on marital status and unequal 95% to about 5% on retired. And the bar charts make that difference really clear. So, let's you know that these two variables are going to operate differently when we do an inferential test. The test…

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