Dictionary » S » Sampling Error

Sampling Error

The deviation of a result in a scientific experiment from the true result. As a rule of thumb, larger scale experiments have a lower sampling error (all things being equal bar the differentiating factor of the experiment). A larger scale represents a more apparent trend when the data has been collected to back a hypothesis or prove it wrong.


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Re: Genetic diversity on squirrels

... for TfA)—unless you have to take into account the possibilty of a sampling error. If the table indicates the allele frequency of TfA, B, and C then can’t you calculate ...

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by blcr11
Fri Sep 12, 2008 1:55 pm
 
Forum: Genetics
Topic: Genetic diversity on squirrels
Replies: 3
Views: 4098

Brain size=IQ level theory (Blacks vs Whites & Asians)

... countered that aggregating across studies typically cancels measurement error, at least nonsystematic measurement error. Calculating the midpoints ... the White/Black difference to nonsignificance. We do not doubt that sampling problems occur due to differences in locating populations, measuring ...

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by TJJ
Fri May 16, 2008 12:17 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 263451

Need help with another write up.

... of damselfishes endemic to Papua New Guinea (PNG). She arranges for a sampling trip to PNG but is successful in collecting a good number of specimens ... for part 2, I'm not sure what to say. Could it have been due to human error (or is that too simple a reason)? Maybe a bad diet which changes ...

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by Cerebral_Artist
Mon Dec 03, 2007 5:20 am
 
Forum: General Discussion
Topic: Need help with another write up.
Replies: 4
Views: 2165

what is pseudoreplicates ??

... of the dataset. It is the creation of pseudoreplicate datasets by resampling. Bootstrapping allows you to assess whether the distribution of ... analysis: is a statistical method for obtaining an estimate of error is used to evaluate the reliability of a tree is used to examine how ...

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by DevGrp
Fri Feb 04, 2005 4:48 pm
 
Forum: General Discussion
Topic: what is pseudoreplicates ??
Replies: 4
Views: 7333


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