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<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black;mso-fareast-language:EN-US">Hi All,<o:p></o:p></span></a></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black;mso-fareast-language:EN-US">A similar question was raised during my session at the DLTV in-service and in a nut shell (I can’t remember the excellent example that
my audience provided):<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black;mso-fareast-language:EN-US">I can cut a piece of wood to be 2003mm in length (accuracy), but if I should have cut a piece of metal it
would not be correct.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black;mso-fareast-language:EN-US">Regards<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#80004D">Chris Bucknell</span></b><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#515964">Head of ICT; Coord, Internal Exam; House Tutor</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#515964">+61 3 9904 6360</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><a href="mailto:%7bemail%7d"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri","sans-serif"">Chris.Bucknell@haileybury.vic.edu.au</span></a><span style="color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><a href="http://www.haileybury.vic.edu.au"><span lang="EN-US" style="font-size:8.0pt;font-family:"Calibri","sans-serif"">www.haileybury.vic.edu.au</span></a><span lang="EN-US" style="font-family:"Calibri","sans-serif";color:black"><br>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> yr11it-bounces@edulists.com.au [mailto:yr11it-bounces@edulists.com.au]
<b>On Behalf Of </b>Mark<br>
<b>Sent:</b> Monday, 7 December 2015 1:02 PM<br>
<b>To:</b> Year 11 Information Technology Teachers' Mailing List<br>
<b>Subject:</b> [Yr11 Information Technology] A Monday Challenge.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Trebuchet MS","sans-serif"">U1O3 KK5 - '</span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">factors affecting the integrity of data, such as correctness, reasonableness and accuracy'</span><span style="font-family:"Trebuchet MS","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">Your challenge for today is: Work out a way to explain the difference between "correctness" and "accuracy" to a year 11 student. The prize is 50 brownie points.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">Yes, I realise the terms are only given as examples in the study design, and are not made mandatory by the word 'including', but I'm interested if anyone can clearly tease
out the difference between two terms usually considered synonymous by everyone except scientists.</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">The only thing I can suggest is that "accuracy" means "correctness" (free from error) but also has an whiff of 'precision' about it too...</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">e.g. storing Pi as "3.14" may be
<i>correct</i>, but not as <i>accurate</i> as "3.14159"</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">Good luck.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.5pt">Mark Kelly</span><o:p></o:p></p>
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<p class="MsoNormal"><a href="mailto:mark@vceit.com" target="_blank"><span style="font-size:9.5pt">mark@vceit.com</span></a><o:p></o:p></p>
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<p class="MsoNormal"><a href="http://vceit.com" target="_blank">http://vceit.com</a><o:p></o:p></p>
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