<snapdata remixID="8578843"><project name="LeastSquaresRegression" app="Snap! 5.1, http://snap.berkeley.edu" 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hidden="true"/><watcher var="T3 part 1" style="normal" x="10" y="331.000006" color="243,118,29" hidden="true"/><watcher var="intercept" style="normal" x="1" y="328.999998" color="243,118,29" hidden="true"/><watcher var="slope" style="normal" x="7" y="242.999998" color="243,118,29" hidden="true"/></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="Graph Points: %&apos;coordinates&apos;" type="command" category="motion"><header></header><code></code><translations></translations><inputs><input type="%l"></input></inputs><script><block s="clear"></block><block s="setSize"><l>1</l></block><block s="up"></block><block s="gotoXY"><l>0</l><l>200</l></block><block s="down"></block><block s="gotoXY"><l>0</l><l>-200</l></block><block s="up"></block><block s="gotoXY"><l>300</l><l>0</l></block><block s="down"></block><block s="gotoXY"><l>-300</l><l>0</l></block><block s="up"></block><block s="doSetVar"><l>T4</l><l>0</l></block><block s="doSetVar"><l>intercept</l><l>0</l></block><block s="doSetVar"><l>slope</l><l>0</l></block><block s="doSetVar"><l>T3</l><l>0</l></block><block s="doSetVar"><l>x^2</l><block s="reportNewList"><list></list></block></block><block s="doSetVar"><l>T2</l><l>0</l></block><block s="doSetVar"><l>T1</l><l>0</l></block><block s="doSetVar"><l>All x</l><l>0</l></block><block s="doSetVar"><l>All y</l><l>0</l></block><block s="doSetVar"><l>T1 part 1</l><l>0</l></block><block s="doSetVar"><l>T3 part 1</l><l>0</l></block><block s="doSetVar"><l>xy</l><block s="reportNewList"><list></list></block></block><block s="doSetVar"><l>Data</l><block var="coordinates"/></block><block s="doForEach"><l>point</l><block var="Data"/><script><block s="doAddToList"><block s="reportProduct"><block s="reportListItem"><l>1</l><block var="point"/></block><block s="reportListItem"><l>1</l><block var="point"/></block></block><block var="x^2"/></block><block s="doAddToList"><block s="reportProduct"><block s="reportListItem"><l>1</l><block var="point"/></block><block s="reportListItem"><l>2</l><block var="point"/></block></block><block var="xy"/></block><block s="doChangeVar"><l>All x</l><block s="reportListItem"><l>1</l><block var="point"/></block></block><block s="doChangeVar"><l>All y</l><block s="reportListItem"><l>2</l><block var="point"/></block></block></script></block><block s="doForEach"><l>item</l><block var="xy"/><script><block s="doSetVar"><l>T1 part 1</l><block s="reportSum"><block var="item"/><block var="T1 part 1"/></block></block><block s="doSetVar"><l>T1</l><block s="reportProduct"><block var="T1 part 1"/><block s="reportListLength"><block var="Data"/></block></block></block></script></block><block s="doForEach"><l>b</l><block var="x^2"/><script><block s="doSetVar"><l>T3 part 1</l><block s="reportSum"><block var="b"/><block var="T3 part 1"/></block></block><block s="doSetVar"><l>T3</l><block s="reportProduct"><block var="T3 part 1"/><block s="reportListLength"><block var="Data"/></block></block></block></script></block><block s="doSetVar"><l>T4</l><block s="reportPower"><block var="All x"/><l>2</l></block></block><block s="doSetVar"><l>T2</l><block s="reportProduct"><block var="All x"/><block var="All y"/></block></block><block s="doSetVar"><l>slope</l><block s="reportQuotient"><block s="reportDifference"><block var="T1"/><block var="T2"/></block><block s="reportDifference"><block var="T3"/><block var="T4"/></block></block></block><block s="doSetVar"><l>intercept</l><block s="reportQuotient"><block s="reportDifference"><block var="All y"/><block s="reportProduct"><block var="slope"/><block var="All x"/></block></block><block s="reportListLength"><block var="Data"/></block></block></block><block s="setSize"><l>5</l></block><block s="doForEach"><l>item</l><block var="Data"/><script><block s="up"></block><block s="gotoXY"><block s="reportListItem"><l>1</l><block var="item"/></block><block s="reportListItem"><l>2</l><block var="item"/></block></block><block s="down"></block><block s="forward"><l>.5</l></block></script></block><block s="up"></block><block s="gotoXY"><l>0</l><block var="intercept"/></block><block s="setHeading"><block s="reportMonadic"><l><option>atan</option></l><block s="reportQuotient"><l>1</l><block var="slope"/></block></block></block><block s="forward"><l>-300</l></block><block s="down"></block><block s="setSize"><l>.8</l></block><block s="forward"><l>600</l></block><block s="up"></block><block s="doSetVar"><l>slope</l><block s="reportQuotient"><block s="reportRound"><block s="reportProduct"><block var="slope"/><l>10000</l></block></block><l>10000</l></block></block><block s="doSetVar"><l>intercept</l><block s="reportQuotient"><block s="reportRound"><block s="reportProduct"><block var="intercept"/><l>10000</l></block></block><l>10000</l></block></block><block s="gotoXY"><l>-220</l><l>150</l></block><block s="setHeading"><l>90</l></block><block s="write"><block s="reportJoinWords"><list><l>y = </l><block var="slope"/><l>x</l><l> + </l><block var="intercept"/></list></block><l>12</l></block><block s="gotoXY"><l>1000</l><l>0</l></block></script></block-definition></blocks><variables><variable name="Data"><list id="341"><item><list struct="atomic" id="342">-20,50</list></item><item><list struct="atomic" id="343">50,-20</list></item><item><list struct="atomic" id="344">100,150</list></item><item><list struct="atomic" id="345">130,80</list></item><item><list struct="atomic" id="346">140,30</list></item><item><list struct="atomic" id="347">40,-161</list></item><item><list struct="atomic" id="348">49,56</list></item></list></variable><variable name="xy"><list struct="atomic" id="349">-1000,-1000,15000,10400,4200,-6440,2744</list></variable><variable name="T1 part 1"><l>23904</l></variable><variable name="T1"><l>167328</l></variable><variable name="All x"><l>489</l></variable><variable name="All y"><l>185</l></variable><variable name="T2"><l>90465</l></variable><variable name="T3"><l>373807</l></variable><variable name="T4"><l>239121</l></variable><variable name="slope"><l>0.5707</l></variable><variable name="intercept"><l>-13.4377</l></variable><variable name="x^2"><list struct="atomic" id="350">400,2500,10000,16900,19600,1600,2401</list></variable><variable name="T3 part 1"><l>53401</l></variable></variables></project><media name="LeastSquaresRegression" app="Snap! 5.1, http://snap.berkeley.edu" version="1"></media></snapdata>