Space shuttle Challenger: number of failure of the Morton-Thiokol gaskets vs. the external temperature at the launching.
Initially, only the incidents were reported (black dots), which shows no clear trend. If the launching without incident are reported (white dots), it becomes then clear that there were always problems below 65°F (18°C).
<a href="//commons.wikimedia.org/wiki/User:Cdang" title="User:Cdang">Cdang</a>
2012-09-13 10:15:33
<p><span class="int-own-work" lang="en">Own work</span>, from
</p>
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p. 114
<table class="fileinfotpl-type-artwork vevent mw-content-ltr" dir="ltr"><tbody><tr valign="top"><th colspan="2" style="background-color:#ccf; font-weight:bold; border:1px solid #aaa"><span class="fn" id="artwork"><bdi>Les décisions absurdes
</bdi></span></th>
</tr><tr><td id="fileinfotpl_aut" class="fileinfo-paramfield" lang="en">Author</td>
<td>
<div class="fn value">
Christian Morel</div></td>
</tr><tr><td id="fileinfotpl_art_title" class="fileinfo-paramfield" lang="en">Title</td>
<td>
<div class="fn">
Les décisions absurdes</div></td>
</tr><tr><td id="fileinfotpl_book_subtitle" class="fileinfo-paramfield" lang="en">Subtitle</td>
<td>
Sociologie des erreurs radicales et persistantes</td>
</tr><tr><td id="fileinfotpl_book_series-title" class="fileinfo-paramfield" lang="en">Series title</td>
<td>
Folio essais</td>
</tr><tr><td id="fileinfotpl_book_publisher" class="fileinfo-paramfield" lang="en">Publisher</td>
<td>
<div class="fn value">
Gallimard</div></td>
</tr><tr><td id="fileinfotpl_publication_date" class="fileinfo-paramfield" lang="en">Publication date</td>
<td>
2002</td>
</tr><tr><td id="fileinfotpl_book_place-of-publication" class="fileinfo-paramfield" lang="en">Place of publication</td>
<td>
Paris</td>
</tr><tr><td id="fileinfotpl_art_authority" class="fileinfo-paramfield" lang="en">Authority file</td>
<td>
 <a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN:</a> <a href="//commons.wikimedia.org/wiki/Special:BookSources/978-2-07-031542-0" title="Special:BookSources/978-2-07-031542-0">978-2-07-031542-0</a></td>
</tr></tbody></table></div>