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Dictionary » M » Median



(Science: statistics) Any value that divides the probability of a random variable in half, i.e. The probability of observing a value above the median and the probability of observing a value below the median are both less than or equal to one half.

For a finite population or sample, the median is the middle value of an odd number of values (arranged in ascending order) or any value between the two middle values of an even number of values, in the latter case it is conventional to use the average of the two middle values.

Origin: L. Medianus

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Results from our forum

Re: Statistics Help

... while delivering the mail and returning to the office after each delivery." Intuitively, I'd say he wants me to do... something... with the median value. So the post office should be placed such that 50% of the houses are to the left and 50% are to the right -> Median. However, I'm unsure ...

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by geeknick
Tue Nov 08, 2011 12:32 pm
Forum: Ecology
Topic: Statistics Help
Replies: 2
Views: 1947

A query on Ks value

... synonymous substitution rate of individual gene pairs do not pemit genes to be unambiguously classified as othologs or ancient homoeologs.The median synonymous substution rate of all gene pairs in a syntenic block between maize and sorghum can be used to classify syntenic blocks of 12 or more ...

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by zeam
Fri Oct 21, 2011 12:50 pm
Forum: Evolution
Topic: A query on Ks value
Replies: 0
Views: 608

Biology Problem: Correlating Skin cancer to Skin Color

... form of skin cancer. During 2009, there were 75,100 Canadians diagnosed with non-melanoma skin cancer, and 270 people died of this disease. The median age of diagnosis is 59 for malignant melanoma and 60 for non-melanoma skin cancer. Skin cancer risk increases with UV light exposure, and light ...

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by bambamm
Tue Mar 29, 2011 1:49 am
Forum: Genetics
Topic: Biology Problem: Correlating Skin cancer to Skin Color
Replies: 2
Views: 1890

Re: Important unknown nanotech within humans

... when his pickup truck went off the freeway near a bridge over the Kawkawlin River. The vehicle rolled over several times before landing in the median. Aranosia was thrown from the vehicle and ended up on the shoulder of the northbound lanes. January 6, 2004: Dr Richard Stevens, 54 —Expertise: ...

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by vincio
Mon Feb 16, 2009 2:36 am
Forum: Molecular Biology
Topic: Important unknown nanotech within humans
Replies: 32
Views: 151668

Life Science

... get it how am i gonna get a unit of measurement on my observations on how i see the fish react. Also Marineland or Tetra FIn sure does not make medians for a 10 gallon tank that would be humongous and where would i get it and i sure don't know how to make it i'll just stick with my other idea. ...

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by locobw
Sat Dec 15, 2007 6:45 pm
Forum: General Discussion
Topic: Life Science
Replies: 29
Views: 11173
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