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Khan Academy. Khan Academy is an American non-profit [ 3] educational organization created in 2006 by Sal Khan. [ 1] Its goal is to create a set of online tools that help educate students. [ 4] The organization produces short video lessons. [ 5]
Some free and open-source software licenses are based on the principle of copyleft, a kind of reciprocity: any work derived from a copyleft piece of software must also be copyleft itself. The most common free software license, the GNU General Public License (GPL), is a form of copyleft and is used for the Linux kernel and many of the components ...
Just Words. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online! By Masque Publishing. Advertisement. Advertisement. Feedback. Help. Join AOL.
Given an r-sample statistic, one can create an n-sample statistic by something similar to bootstrapping (taking the average of the statistic over all subsamples of size r). This procedure is known to have certain good properties and the result is a U-statistic. The sample mean and sample variance are of this form, for r = 1 and r = 2.
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The first step of the USMLE tests whether medical students both understand and are capable of applying the basic scientific foundations to medicine after the second year of medical school. The topics include: anatomy, biochemistry, microbiology, pathology, pharmacology, physiology, behavioral sciences, nutrition, genetics, and aging. The second ...
Scholarly peer review or academic peer review (also known as refereeing) is the process of having a draft version of a researcher's methods and findings reviewed (usually anonymously) by experts (or "peers") in the same field. Peer review is widely used for helping the academic publisher (that is, the editor-in-chief, the editorial board or the ...
These samples did not match Brown's DNA, and were attributed to a deceased Barry Bench. Brown was not immediately released despite this, and Barry Bench's body was exhumed and compared to a DNA sample of Bench's daughter. On January 23, 2007, Brown was released from prison. On March 7, 2007, prosecution dismissed Brown's charges.