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Linear Regression
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</p> <p><img src="file:///C:\XXXXX\XXXXX\AppData\XXXXX\Temp\msohtmlclip1\XX\clip_image004.XXX" alt="XXXXXXXXXXX: y → XXXXXX" width="115" height="21"> </p> <table> <tbody><tr> <td> <p><b><i><u>x</u></i></b> </p></td><td> <p><b><i><u>y</u></i></b> </p></td></tr> <tr> <td> <p><b>XX</b> </p></td><td> <p><b>XX.35</b> </p></td></tr> <tr> <td> <p><b>XX</b> </p></td><td> <p><b>40.23</b> </p></td></tr> <tr> <td> <p><b>29</b> </p></td><td> <p><b>49.00</b> </p></td></tr> <tr> <td> <p><b>XX</b> </p></td><td> <p><b>42.78</b> </p></td></tr> <tr> <td> <p><b>22</b> </p></td><td> <p><b>XX.XX</b> </p></td></tr> <tr> <td> <p><b>XX</b> </p></td><td> <p><b>XX.93</b> </p></td></tr> <tr> <td> <p><b>34</b> </p></td><td> <p><b>39.XX</b> </p></td></tr> <tr> <td> <p><b>XX</b> </p></td><td> <p><b>30.XX</b> </p></td></tr> <tr> <td> <p><b>29</b> </p></td><td> <p><b>35.19</b> </p></td></tr> <tr> <td> <p><b>XX</b> </p></td><td> <p><b>35.XX</b> </p></td></tr> <tr> <td> <p><b>27</b> </p></td><td> <p><b>XX.12</b> </p></td></tr> <tr> <td> <p><b>29</b> </p></td><td> <p><b>26.36</b> </p></td></tr> <tr> <td> <p><b>XX</b> </p></td><td> <p><b>33.XX</b> </p></td></tr> <tr> <td> <p><b>26</b> </p></td><td> <p><b>XX.XX</b> </p></td></tr> </tbody></table> <p><b><i><u>Correlation Coefficient</u></i></b> </p> <p><b><i><img XXX="XXXX:///X:\XXXXX\abida\AppData\XXXXX\XXXX\XXXXXXXXXXXX\XX\clip_image006.XXX" XXX="Description: XXX P= S...XXX" width="139" height="XX"></i></b> </p> <p><b><i><XXX XXX="XXXX:///C:\XXXXX\abida\XXXXXXX\Local\XXXX\XXXXXXXXXXXX\XX\clip_image008.png" alt="XXXXXXXXXXX: */ X - XX / ا - ht X ) = fizul - fiz" width="XXX" height="60"></i></b> </p> <ul><li><b><i><img src="XXXX:///X:\XXXXX\XXXXX\AppData\XXXXX\Temp\msohtmlclip1\XX\clip_image010.png" XXX="Description: > Giyi = 14428.XX" width="XXX" XXXXXX="XX"></i></b> </li><li><b><i><XXX src="XXXX:///C:\Users\abida\XXXXXXX\XXXXX\Temp\XXXXXXXXXXXX\XX\clip_image012.png" alt="XXXXXXXXXXX: = 28,XXXX" width="116" XXXXXX="XX"></i></b> </li><li><b><i><img src="file:///X:\XXXXX\abida\XXXXXXX\Local\XXXX\msohtmlclip1\01\XXXXXXXXXXXXX.XXX" XXX="XXXXXXXXXXX: y = 35.5022" width="116" height="21"></i></b> </li><li><b><i><XXX src="XXXX:///C:\Users\XXXXX\AppData\XXXXX\XXXX\XXXXXXXXXXXX\01\XXXXXXXXXXXXX.png" XXX="XXXXXXXXXXX: x = XXXXX" width="XXX" height="32"></i></b> </li><li><b><i><XXX XXX="file:///X:\XXXXX\XXXXX\AppData\XXXXX\Temp\msohtmlclip1\XX\clip_image018.XXX" alt="XXXXXXXXXXX: Σμ = XXXXX.XXXX" width="193" XXXXXX="XX"></i></b> </li><li><b><i><XXX XXX="file:///C:\Users\XXXXX\AppData\XXXXX\Temp\XXXXXXXXXXXX\01\clip_image020.XXX" alt="XXXXXXXXXXX: n= XX" width="66" XXXXXX="XX"></i></b> </li><li><b><i><img XXX="XXXX:///C:\Users\XXXXX\AppData\Local\XXXX\msohtmlclip1\XX\clip_image022.png" alt="Description: Στη = XXX" width="119" XXXXXX="32"></i></b> </li><li><b><i><XXX XXX="XXXX:///X:\XXXXX\abida\AppData\Local\Temp\XXXXXXXXXXXX\XX\XXXXXXXXXXXXX.png" alt="Description: Σμη = XXX.XX" width="146" XXXXXX="32"></i></b> </li></XX> <p><img XXX="file:///C:\XXXXX\XXXXX\AppData\XXXXX\Temp\msohtmlclip1\XX\XXXXXXXXXXXXX.png" alt="XXXXXXXXXXX: p== XXXXX.XX – XXXX.8572) 35.5022) XXXXX - 14(28.XXXXX). XXXXX.7951 - XX(XX.XXXXX)" width="588" height="XX"> </p> <p><XXX XXX="XXXX:///X:\Users\XXXXX\XXXXXXX\Local\Temp\msohtmlclip1\XX\XXXXXXXXXXXXX.png" XXX="Description: = X.XXXXXX" width="XXX" height="XX"> </p> <p><b><i>XX , XXXXX is a XXXXXXXX XXXXXXXXXXX between two XXXXXXXXX .</i></b> </p> <p><b><i><u>Regression XXXX is XXXXX as :</u></i></b> </p> <p><b><i><img src="file:///X:\XXXXX\abida\AppData\Local\XXXX\XXXXXXXXXXXX\XX\XXXXXXXXXXXXX.png" alt="Description: Yi= a + BX" width="XXX" XXXXXX="XX"></i></b> </p> <p><b><i>where :</i></b> </p> <p><b><i><img XXX="XXXX:///C:\XXXXX\XXXXX\AppData\Local\Temp\msohtmlclip1\01\clip_image032.XXX" alt="XXXXXXXXXXX: \alpha" width="XX" XXXXXX="10"></i></b><b><i>is the XXXXXXXXX and</i></b><b><i><img XXX="XXXX:///X:\XXXXX\abida\XXXXXXX\Local\XXXX\XXXXXXXXXXXX\XX\XXXXXXXXXXXXX.XXX" alt="Description: \XXXX" width="14" XXXXXX="XX"></i></b><b><i>is the XXXXX parameter .</i></b> </p> <p><b><i><XXX XXX="XXXX:///C:\Users\XXXXX\XXXXXXX\Local\Temp\XXXXXXXXXXXX\XX\XXXXXXXXXXXXX.XXX" XXX="XXXXXXXXXXX: \Rightarrow" width="21" height="XX"></i></b><b><i><img XXX="file:///X:\Users\XXXXX\XXXXXXX\Local\XXXX\XXXXXXXXXXXX\01\clip_image038.png" XXX="XXXXXXXXXXX: Στηyi - X..9 14428.51 - XX(XX.XXXX)(35,5022) Σε – η XX 11814 – XX(28.XXXXX) ΟΙ" width="XXX" height="XX"></i></b> </p> <p><b><i><XXX XXX="XXXX:///C:\Users\abida\AppData\XXXXX\XXXX\XXXXXXXXXXXX\01\XXXXXXXXXXXXX.png" alt="Description: =X.XX" width="64" XXXXXX="XX"></i></b> </p> <p><b><i><img src="XXXX:///X:\XXXXX\abida\XXXXXXX\XXXXX\Temp\XXXXXXXXXXXX\01\clip_image042.XXX" alt="Description: XXX" width="XX" height="21"></i></b><b><i><XXX XXX="file:///C:\Users\abida\XXXXXXX\XXXXX\XXXX\msohtmlclip1\01\XXXXXXXXXXXXX.XXX" alt="Description: â=y-B.X = 35.5022 - 0.XX(XX.8572) = 19.XXXXX" width="XXX" height="XX"></i></b> </p> <p><b><i><img src="file:///C:\Users\XXXXX\XXXXXXX\XXXXX\XXXX\XXXXXXXXXXXX\XX\XXXXXXXXXXXXX.XXX" alt="Description: X =XXX = 19.XXXXX+X.55X," width="XXX" XXXXXX="XX"></i></b> </p> <p><b><i><u>Salary of XX XXXX XXX point XXXXX :</u></i></b> </p> <p><b><i><img src="file:///X:\Users\XXXXX\AppData\XXXXX\Temp\msohtmlclip1\XX\clip_image048.XXX" XXX="XXXXXXXXXXX: X = 19.XXXXX +X.XX(XX) = 42.XX m" width="XXX" height="27"></i></b> </p> <p> </p><p><XX></p>">
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