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Is rank in the army a categorical variable?
Yes it is. It is an ordinal variable ( which means it is meaningful ) because rank has an order and it is meaningful to rank the soldiers.
What does ordinal data?
Ordinal data is data that can be ranked, but you can not say anything about how far apart the data entries are. You can count and order it but not measure difference between data entries. For example if we talk about teams, one can be first, the next second etc, but that tells us nothing about how far ahead team 1 is. In many surveys they use agree or disagree and you rank your answer from 1 to 5.
Do you need to take algebra 2 in high school to get into college?
This is a YES! You will need to take algebra 2 as a high school course which will eligible you to qualify into state colleges. A-G requirements are also what many college look at and decides. For example 3 years of math(alg1,geometry,alg2) will make you be eligible or states as for University is 4 years of math. But city colleges, you may not need alg2 but your math assessment in high school. Colleges also will have placement test that will test your math skills and rank you amongst how your score is as well.
What were popular locations in World War 2?
If the intent was to avoid the war, Antarctica would rank very, very high on the list.
What is another way to express class rank?
Percentile rank
