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	<title>Departamento de Matemáticas UPR-Aguadilla</title>
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		<link>https://mateuprag.wordpress.com/2012/02/17/350/</link>
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		<pubDate>Sat, 18 Feb 2012 01:39:34 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
		
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		<title>Stat Trek Teach yourself statistics</title>
		<link>https://mateuprag.wordpress.com/2012/02/17/stat-trek-teach-yourself-statistics/</link>
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		<pubDate>Sat, 18 Feb 2012 01:37:03 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
		
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		<description><![CDATA[Statistics, Probability, and Survey Sampling This web site provides training and tools to help you solve statistics problems quickly, easily, and accurately &#8211; without having to ask anyone for help. http://stattrek.com/<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=348&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Statistics, Probability, and Survey Sampling</p>
<p>This web site provides training and tools to help you solve statistics problems quickly, easily, and accurately &#8211; without having to ask anyone for help.</p>
<p>http://stattrek.com/</p>
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		<title>Vampiros que cambian el valor de PI.</title>
		<link>https://mateuprag.wordpress.com/2012/01/24/vampiros-que-cambian-el-valor-de-pi/</link>
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		<pubDate>Wed, 25 Jan 2012 03:58:06 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
				<category><![CDATA[Pseudociencia]]></category>
		<category><![CDATA[vampiros]]></category>
		<category><![CDATA[zombies]]></category>

		<guid isPermaLink="false">http://mateuprag.wordpress.com/?p=346</guid>
		<description><![CDATA[Por: José Neville Díaz Caraballo Debemos tener cuidado cuando uno hace un argumento, el mismo debe estar basado en evidencia y no en deseo de que sea cierto. Menos podemos cubrirnos usando un reporte que alguna agencia escribió sin mediar ninguna evidencia independiente y mucho menos considerar la época. Como dice mi madre, el papel [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=346&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Por: José Neville Díaz Caraballo</p>
<p>Debemos tener cuidado cuando uno hace un argumento, el mismo debe estar basado en evidencia y no en deseo de que sea cierto. Menos podemos  cubrirnos usando un reporte que alguna agencia escribió sin mediar ninguna evidencia independiente y mucho menos considerar la época. Como dice mi madre, el papel aguanta lo que sea. De ser así podríamos citar que el 18 de enero de 1897, en el estado de Indiana, se aprobó cambiar el valor de , que es aproximadamente 3.14159265 a 3.2 para que fuera más fácil para los estudiantes. El cambio del valor por unos legisladores no cambia la realidad, de que no importa cual círculo usted coja y lo divida por su diámetro va a dar .  Similarmente que alguna agencia escriba de vampiros o zombis no lo convierte en realidad, sino se presenta la evidencia y la misma se puede verificar independientemente por distintas fuentes. Creer en cosas sin evidencias creará personas susceptibles a falsedades como la astrología, fantasmas y extraterrestre.  Como le dice Sheldon a Howard, “va a entretener a tus sobrinos mintiéndoles”, más adelante le  dice, “si nosotros envenenamos las facultades criticas de nuestros niños, diciéndole a los niños que conejos salen de sombreros, creamos adultos que creen en astrología y en homeopatías y que Ryan Reynolds es mejor en Green Lantern que el amoroso Nathan Fillion”.</p>
<p>Lo que si podemos hacer es crear un modelo y ver qué sucedería si existieran los vampiros y los zombis. Asumiendo que los vampiros y los zombis se comportan como enfermedades podemos aplicar el modelo estándar para enfermedades. Recuerden que no todo el que un vampiro muerde se convierte en vampiro pero todo el que el zombi ataque si se convierte en zombi. Es decir, como modelo de enfermedad los zombis contagian más rápido. Robert Smith de la Universidad de Ottawa lo hizo y descubrió que los zombis nos acabarían en 4 días.</p>
<p>Ahora si existiera una población donde estemos humanos, vampiros y zombis. Resulta que los zombis ganarían y que la única manera de derrotarlos sería que los humanos nos juntemos a los vampiros. Debemos enseñar sobre hechos y no sobre pseudociencia y mucho menos presentarlo de manera vaga para tratar de decir eso no fue lo que quise decir. La realidad es siempre más interesante que la fantasía.</p>
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		<title>A clock for math whizzes &#124; Underexposed &#8211; CNET News</title>
		<link>https://mateuprag.wordpress.com/2012/01/24/a-clock-for-math-whizzes-underexposed-cnet-news/</link>
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		<pubDate>Tue, 24 Jan 2012 17:59:36 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
		
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		<description><![CDATA[A clock for math whizzes &#124; Underexposed &#8211; CNET News. Update 7:40 p.m. PST January 6: Thanks to alert reader OneGB for supplying the origin of the clock. The central design may look like a bungled biohazard symbol, but it in fact is another three-nine reference, the &#8220;hurricane&#8221; symbol of a high-IQ organization called the [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=339&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href='http://news.cnet.com/8301-13580_3-9840870-39.html'>A clock for math whizzes | Underexposed &#8211; CNET News</a>.</p>
<p>Update 7:40 p.m. PST January 6: Thanks to alert reader OneGB for supplying the origin of the clock. The central design may look like a bungled biohazard symbol, but it in fact is another three-nine reference, the &#8220;hurricane&#8221; symbol of a high-IQ organization called the Triple Nine Society. The group also sells Triple Nine aprons, mugs, bibs, underwear, and other whatnot at CafePress.com.</p>
<p style="text-align:center;"><a href="http://news.cnet.com/8301-13580_3-9840870-39.html"><img src='http://mateuprag.files.wordpress.com/2012/01/nerd_clock_1-4-2007.jpg?w=450' alt='' /></a></p>
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		<title>The comet and the coronal mass ejection &#8211; YouTube</title>
		<link>https://mateuprag.wordpress.com/2012/01/23/the-comet-and-the-coronal-mass-ejection-youtube/</link>
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		<pubDate>Tue, 24 Jan 2012 02:58:22 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
				<category><![CDATA[Matemáticas]]></category>

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		<description><![CDATA[The comet and the coronal mass ejection<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=335&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>The comet and the coronal mass ejection<br />
<span class='embed-youtube' style='text-align:center; display: block;'><iframe class='youtube-player' type='text/html' width='450' height='284' src='http://www.youtube.com/embed/SwPo_BF2VSY?version=3&amp;rel=1&amp;fs=1&amp;showsearch=0&amp;showinfo=1&amp;iv_load_policy=1&amp;wmode=transparent' frameborder='0'></iframe></span></p>
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		<title>Trend and variation &#8211; YouTube</title>
		<link>https://mateuprag.wordpress.com/2012/01/12/trend-and-variation-youtube/</link>
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		<pubDate>Thu, 12 Jan 2012 21:42:40 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
				<category><![CDATA[Matemáticas]]></category>

		<guid isPermaLink="false">http://mateuprag.wordpress.com/?p=331</guid>
		<description><![CDATA[Trend and variation &#8211; YouTube.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=331&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href='http://www.youtube.com/watch?feature=player_embedded&#038;v=e0vj-0imOLw'>Trend and variation &#8211; YouTube</a>.</p>
<span class='embed-youtube' style='text-align:center; display: block;'><iframe class='youtube-player' type='text/html' width='450' height='284' src='http://www.youtube.com/embed/e0vj-0imOLw?version=3&amp;rel=1&amp;fs=1&amp;showsearch=0&amp;showinfo=1&amp;iv_load_policy=1&amp;wmode=transparent' frameborder='0'></iframe></span>
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		<title>A Brief History of Stephen Hawking: A Video Tribute &#124; Observations, Scientific American Blog Network</title>
		<link>https://mateuprag.wordpress.com/2011/11/30/a-brief-history-of-stephen-hawking-a-video-tribute-observations-scientific-american-blog-network/</link>
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		<pubDate>Wed, 30 Nov 2011 11:44:00 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
				<category><![CDATA[Matemáticas]]></category>
		<category><![CDATA[Natural Science]]></category>

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		<description><![CDATA[A Brief History of Stephen Hawking: A Video Tribute &#124; Observations, Scientific American Blog Network.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=327&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href='http://blogs.scientificamerican.com/observations/2011/11/28/a-brief-history-of-stephen-hawking-a-video-tribute/'>A Brief History of Stephen Hawking: A Video Tribute | Observations, Scientific American Blog Network</a>.</p>
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		<title>Stephen Colbert Interviews Neil deGrasse Tyson at Montclair Kimberley Academy &#8211; 2010-Jan-29</title>
		<link>https://mateuprag.wordpress.com/2011/11/29/stephen-colbert-interviews-neil-degrasse-tyson-at-montclair-kimberley-academy-2010-jan-29/</link>
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		<pubDate>Tue, 29 Nov 2011 23:25:19 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
		
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		<title>60436_469306601994_761686994_6736312_5367530_n.jpg (JPEG Image, 724&#215;457 pixels)</title>
		<link>https://mateuprag.wordpress.com/2011/11/03/60436_469306601994_761686994_6736312_5367530_n-jpg-jpeg-image-724x457-pixels/</link>
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		<pubDate>Thu, 03 Nov 2011 18:31:55 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
		
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		<description><![CDATA[60436_469306601994_761686994_6736312_5367530_n.jpg (JPEG Image, 724&#215;457 pixels). &#160;<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=315&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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<p>&nbsp;</p>
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		<title>Sampling error, the unspoken issue behind small number changes in the news – Bad Science</title>
		<link>https://mateuprag.wordpress.com/2011/10/13/sampling-error-the-unspoken-issue-behind-small-number-changes-in-the-news-%e2%80%93-bad-science/</link>
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		<pubDate>Fri, 14 Oct 2011 02:54:50 +0000</pubDate>
		<dc:creator>mateuprag</dc:creator>
		
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		<description><![CDATA[Sampling error, the unspoken issue behind small number changes in the news – Bad Science. What do all these numbers mean? “‘Worrying’ jobless rise needs urgent action – Labour” was the BBC headline. They explained the problem in their own words: “The number of people out of work rose by 38,000 to 2.49 million in [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=mateuprag.wordpress.com&amp;blog=7012920&amp;post=313&amp;subd=mateuprag&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href="http://www.badscience.net/2011/08/untitled-1/">Sampling error, the unspoken issue behind small number changes in the news – Bad Science</a>.</p>
<p class="MsoNormal"><span lang="EN-US">What do all these numbers mean? “<a href="http://www.bbc.co.uk/news/uk-politics-14558369" target="_blank">‘Worrying’ jobless rise needs urgent action – Labour</a>” was the BBC headline. They explained the problem in their own words: “The number of people out of work rose by 38,000 to 2.49 million in the three months to June, official figures show.”</span></p>
<p class="MsoNormal">Now, there are dozens of different ways to quantify the jobs market, and I’m not going to summarise them all here. The claimant count and the labour force survey are commonly used, and number of hours worked is informative too: you can fight among yourselves for which is best, and get distracted by party politics to your heart’s content. But in claiming that this figure for the number of people out of work has risen, the BBC is simply wrong.</p>
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