Using Cross tabulation and Chi-Square
We can use a Chi-Square test to check if proportions are equal across several groups of data. The example here is of the proportion of enlisted men and women in the US armed forces. Does the proportion of men and women in the US armed forces differ by service?
The data is obtained from the Statisticbrain website and can be found at http://www.statisticbrain.com/demographics-of-active-duty-u-s-military/.
Getting ready
Enter the data into a blank worksheet as shown in the following screenshot:
How to do it…
The following steps will compare the proportion of enlisted male and female personnel in the US armed services ...
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