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Sets a la Venn 453 Views


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Description:

Learn about Venn diagrams with Priscilla the ugly chinchilla, as she categorizes her chinchilla friends into sets based on a survey they took.

Language:
English Language

Transcript

00:00

Sets, a la Shmoop. This is Priscilla.

00:08

Priscilla is an ugly chinchilla.

00:09

Yeah, we know it's supposed to be "ugly duckling," but chinchillas are more fun.

00:13

And they take it less personally. Priscilla is obsessed with sets -- groups

00:16

of numbers, objects or variables...

00:19

... that help us see relationships and differences between various elements.

00:23

She wanted to see what her ugly chinchilla friends had grown up to be, so she surveyed

00:27

eighty-three formerly ugly chinchillas.

00:30

The survey results came back:

00:33

Chinchilla Coat. Road kill.

00:35

And... swan.

00:37

Priscilla arranged her set of information into a circle diagram, also known as a Venn

00:41

Diagram.

00:43

Some chinchillas had become more than one thing.

00:45

Can you determine how many formerly-ugly chinchillas became swans?

00:49

Hook Priscilla up with the correct answer.

00:52

To find out how many chinchillas became swans, we need to first identify the Swan Circle.

00:58

No. Awesome, but no.

01:01

Bingo!

01:02

Now add together all the pieces of the diagram in the Swan Circle:

01:06

12 + 6 + 3 + 9 = 30

01:10

Hey there, choice C. Priscilla's diagram tells us that thirty out

01:15

of the eighty-seven formerly-ugly chinchillas became swans.

01:19

Just remember, Priscilla - no chinchilla looks ugly taking a dust bath.

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