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# Find the standard deviation of set F. (1) the standard

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Find the standard deviation of set F. (1) the standard [#permalink]  11 Jul 2004, 08:59
Find the standard deviation of set F.

(1) the standard deviation of first ten members of set F is 0.
(2) the standard deviation of last ten members of set F is 0.
Senior Manager
Joined: 19 May 2004
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E.

You still don't know how many numbers are in the set.
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Re: SD [#permalink]  11 Jul 2004, 14:40
stolyar wrote:
Find the standard deviation of set F.

(1) the standard deviation of first ten members of set F is 0.
(2) the standard deviation of last ten members of set F is 0.

E
The 2 samples can have different means
Re: SD   [#permalink] 11 Jul 2004, 14:40
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