precision and accuracy (1 Viewer)

Martin

Senior Member
Dec 31, 2000
56,859
#1
I must admit I tend to use the terms interchangably but I'd like to finally establish a more sound definition.

In mathematical terms it's rather straightforward, you can be precise without being accurate. Ie. 3.1612 is a more precise representation of pi than 3.14 but it's not a more accurate one. But you can't be accurate without being precise.

How do you apply this logic to everyday situations?
 

gray

Senior Member
Moderator
Apr 22, 2003
30,098
#3
Zlatan, maybe it's because you don't know pi or something :LOL:, but what he was saying was that you can be precise about something e.g. I could say that 1 + 1 = 2.0000000000001924. That would be precise, but it's not accurate because it's wrong.

Martin, why?
 

Zlatan

Senior Member
Jun 9, 2003
23,035
#5
++ [ originally posted by gray ] ++
Zlatan, maybe it's because you don't know pi or something :LOL:, but what he was saying was that you can be precise about something e.g. I could say that 1 + 1 = 2.0000000000001924. That would be precise, but it's not accurate because it's wrong.

Martin, why?
I know pi :(
 

#10

Senior Member
Jul 28, 2002
6,814
#7
++ [ originally posted by Alex ] ++
Why what?

I hope John gets here, he's a physicist and all :)
martin, were u waiting for me?? :confused: i aint no physicist!!

A future engineer yes, not physicst. :D
 

#10

Senior Member
Jul 28, 2002
6,814
#9
ahhh the other john...... thank god for that. Dont do physics anymore :D

btw i believe precision is accuracy with a limit. precisely 5 days..... but its not exactly 5 days.....

Man u got me thinking now marting...git.... its a sunday:dontcare:.
 

Dragon

Senior Member
Apr 24, 2003
27,407
#11
pi: 3,141592654 I learned that by heart, haha I know it isnt the whole number but thats what most calculators will show
 

Slagathor

Bedpan racing champion
Jul 25, 2001
22,708
#12
++ [ originally posted by Alex ] ++
I must admit I tend to use the terms interchangably but I'd like to finally establish a more sound definition.

In mathematical terms it's rather straightforward, you can be precise without being accurate. Ie. 3.1612 is a more precise representation of pi than 3.14 but it's not a more accurate one. But you can't be accurate without being precise.

How do you apply this logic to everyday situations?
pre-cise /prI'sais/ adj 1 precise details, costs, measurements etc are exact. 2 [only before noun] used to emphasize that something happens exactly in a particular way or that you are describing something correctly and exactly right.

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According to Longman's Dictionary of Contemporary English, you can't be precise and inaccurate at the same time.

What are you on about?!
 

Vicky

Senior Member
Jan 9, 2004
1,566
#15
Alex i read this atleast 5 times and still trying to figure out what you meant
do you just want an example of how that works in everyday life ?
i'm sure i can think of one
" your new hair color makes your skin tone stand out more and i don't think it looks good with the colors you usually wear "
that would be being percise
"i don't like how that hair color looks on you "
that would be more acurate i guess
the first one explains in detail why you don't like it but it doesn't say that you don't like it ..... it just gives out the impression that you don't like it and it explains what's wrong with it but you can still be like " no but i like it ....... "
so i guess the second one is more acurate b/c it's what you think straight up , without any explanations ..... it's not detailed but it's exacly what needs to be said


plz let me know if we're on the same page here or not
and if we're not then explain yourself lol
 
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OP
Martin

Martin

Senior Member
Dec 31, 2000
56,859
#16
Ok so we're on the same page now, you have related what I said into daily use. But my wondering pertains to the question whether this definition persists in daily use or whether it's only applicable in the sciences?
 

Vicky

Senior Member
Jan 9, 2004
1,566
#20
well why the hell not, if someone is being persice and getting into too much detail. calling them accurate would be wrong.
 

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