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**paulb203****Member**- Registered: 2023-02-24
- Posts: 241

Is a frequency polygon actually a polygon?

It looks to me like a series of connected lines, a shape, but not a closed one.

Do polygons need to be closed?

If it's not actually a polygon why do they call it one?

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**Bob****Administrator**- Registered: 2010-06-20
- Posts: 10,503

You're right; it's not really a polygon. It's made up of straight lines (tick) but it's not closed so it fails that test.

Why do they call it that? Search me ... but the language is full of misused words :

"It took light years to happen."

"It was a quantum leap forward."

"To boldly go where no one has gone before."

"He sailed the Atlantic single handed. " This one was from a BBC news report that had me laughing.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob

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**paulb203****Member**- Registered: 2023-02-24
- Posts: 241

Thanks, Bob.

I found out what it actually is. It's a polygonal chain. So they should be called Frequency Polygonal chains

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