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#1 2009-03-31 17:19:41

tayyyyyyyylaaaaaaaa
Member
Registered: 2009-03-31
Posts: 2

how to work out average

argent!!!!!!!!!!!!!!!!


i need to work out these numbers as an average.

2341    2121    2391    2541    1983    2145    2786

Last edited by tayyyyyyyylaaaaaaaa (2009-03-31 17:23:31)

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#2 2009-03-31 17:21:21

tayyyyyyyylaaaaaaaa
Member
Registered: 2009-03-31
Posts: 2

Re: how to work out average

i got 37308 when i added them up and the divided by 7 and it came up with 5329.71     is that right?

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#3 2009-03-31 17:45:28

MathsIsFun
Administrator
Registered: 2005-01-21
Posts: 7,711

Re: how to work out average

Can't be ... try adding them up again.


"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

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#4 2009-03-31 17:48:13

Devantè
Real Member
Registered: 2006-07-14
Posts: 6,400

Re: how to work out average

16308/7 = 2329.7142857142857142857(...)

= 2329.7143 (8 s.f.)

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#5 2009-03-31 20:31:53

smiyc86
Member
Registered: 2009-03-19
Posts: 78

Re: how to work out average

average shud always lie between the max and the min number .. wink


I love Maths and Music ... dunno which more wink

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#6 2009-04-01 08:57:43

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,588

Re: how to work out average

When you saw 5329.71, it was really 2329.71
You just read it too fast and the 2 looked like a 5.
Easy mistake.
(2 341 + 2 121 + 2 391 + 2 541 + 1 983 + 2 145 + 2 786) / 7 = 2 329.71429


igloo myrtilles fourmis

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