From the course: Test Prep: GRE
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Venn diagram problems
- [Voiceover] So in the last video, I talked about sets and Venn diagrams are nice ways to visually show the intersection of sets. So let's say I'm gonna draw a Venn diagram which usually looks like interlocking circles. I'm gonna use these to represent data that overlaps. So let's say I have two clubs at school. Let's say I've got the chess club over here in this circle and then the computer club is over here. Then this intersection is gonna be people who are in both clubs. So I just want you to be able to work in the diagram like this. Now, we also might sort of have another shape over here to represent people who are in neither. That could be possible too but we don't really need to think about that for this example. Just to make you aware that sometimes you'll have people that are not in either one of the circles in the Venn diagram. So let's say there are 10 people in the chess club and there's 24 in the computer club and eight people are in both. So let me ask you this. How many…
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Frequency1m 22s
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Mean, median, mode, and range2m 57s
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Quartiles and percentiles3m 6s
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Standard deviation2m 48s
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Normal distribution2m 21s
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Intersection and union of a set2m 13s
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Venn diagram problems2m 15s
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Permutations3m 23s
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Combinations3m 35s
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Basic probability3m 21s
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Either/or probability3m 42s
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Probability word problem example2m 27s
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Graph and chart questions2m 33s
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