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''Welcome to the Explain XKCD wiki''
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<font size=5px>''Welcome to the '''explain [[xkcd]]''' wiki!''</font>
  
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We have collaboratively explained [[:Category:Comics|'''{{#expr:{{PAGESINCAT:Comics}}-9}}''' xkcd comics]],
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remain. '''[[Help:How to add a new comic explanation|Add yours]]''' while there's a chance!
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== Latest comic ==
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== New here? ==
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You can read a brief introduction about this wiki at [[explain xkcd]]. Feel free to sign up for an account and contribute to the wiki!  We need explanations for comics, characters, themes, memes and everything in between.  If it is referenced in an [[xkcd]] web comic, it should be here.
  
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* Discussion about various parts of the wiki is going on at [[Explain XKCD:Community portal]]. Share your 2¢!
  
== Getting started ==
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* [[List of all comics]] contains a complete table of all xkcd comics so far and the corresponding explanations. The red links ([[like this]]) are missing explanations. Feel free to help out by creating them! [[Help:How to add a new comic explanation|Here's how]].
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=== Discussion ===-->
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== Rules ==
 
== Rules ==
Don't be a jerk. There are a lot of comics that don't have set in stone explanations, feel free to put multiple interpretations in the wiki page for each comic.
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Don't be a jerk. There are a lot of comics that don't have set in stone explanations; feel free to put multiple interpretations in the wiki page for each comic.
  
If you want to talk about a specific comic, the Discussion page is perfect for that.
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If you want to talk about a specific comic, use its discussion page.
  
Please only submit material directly related to&mdash;and helping everyone better understand&mdash;xkcd... and of course ''only'' submit material that can legally be posted (and freely edited.)  Off-topic or other inappropriate content is subject to removal or modification at admin discretion, and users posting such are at risk of being blocked.
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Please only submit material directly related to —and helping everyone better understand— xkcd... and of course ''only'' submit material that can legally be posted (and freely edited.)  Off-topic or other inappropriate content is subject to removal or modification at admin discretion, and users who repeatedly post such content will be blocked.
  
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[[Category:Root category]]

Revision as of 05:35, 4 March 2013

Welcome to the explain xkcd wiki!

We have collaboratively explained Expression error: Unrecognised punctuation character ",". xkcd comics, and only Expression error: Unrecognised punctuation character ",". (Expression error: Unrecognised punctuation character ",".%) remain. Add yours while there's a chance!

Latest comic

Go to this comic explanation

P-Values
If all else fails, use "signifcant at a p>0.05 level" and hope no one notices.
Title text: If all else fails, use "signifcant at a p>0.05 level" and hope no one notices.

Explanation

Ambox notice.png This explanation may be incomplete or incorrect: First draft.

This comic is based off of the probability, or "p", value. This is a concept in statistics which represents the chance that a set of data occurred randomly. A high p-value indicates that the data was not significant, in that any differences between test groups could have occurred randomly, and not due to what was being tested. A low p-value, however, indicates that the data was not produced randomly, and that differences between test groups is likely to have been the result of whatever experimental method was used. The highest p-value at which most studies typically draw significance is p<.05 (or less than 5%), which is why all p-values in the comic below that number are marked at least significant. .050 is labeled "Oh crap. Redo calculations," because the p-value is very close to being considered significant, but isn't. Redoing the calculations may result in a different answer, but it is not guaranteed that it will be lower than .050. Values that are higher than .050 and lower than .1 are considered to be suggesting significance without actually supporting it, which will likely support additional trials.

The title text suggests that, if the results cannot be normally considered significant, to invert p<.050, making it p>.050. This is intended to fool casual readers, as the change is only to the inequality sign, which may be ignored.

Transcript

Ambox notice.png This transcript is incomplete. Please help editing it! Thanks.



Is this out of date? Clicking here will fix that.

New here?

You can read a brief introduction about this wiki at explain xkcd. Feel free to sign up for an account and contribute to the wiki! We need explanations for comics, characters, themes, memes and everything in between. If it is referenced in an xkcd web comic, it should be here.

  • List of all comics contains a complete table of all xkcd comics so far and the corresponding explanations. The red links (like this) are missing explanations. Feel free to help out by creating them! Here's how.

Rules

Don't be a jerk. There are a lot of comics that don't have set in stone explanations; feel free to put multiple interpretations in the wiki page for each comic.

If you want to talk about a specific comic, use its discussion page.

Please only submit material directly related to —and helping everyone better understand— xkcd... and of course only submit material that can legally be posted (and freely edited.) Off-topic or other inappropriate content is subject to removal or modification at admin discretion, and users who repeatedly post such content will be blocked.

If you need assistance from an admin, feel free to leave a message on their personal discussion page. The list of admins is here.

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