Drawing a median regression line (1 Viewer)

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Effekt

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There is BOUND to be one of these in the exam because alot of people have trouble with them hence they put them in the exam :)

For those who are unsure about how to do it, i have come to your rescue.

 

tkteddy

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Do you think it's necessary to know that algebra part at 12:23?
 
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Effekt

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The only algebra you should know is the y = mx + b so you can find the equation of the line.
 

cpwincess19

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When moving the line , do we have to move it 1/3rd every time ?
Or does it vary depending on the number of dots :s ?
Thanks !
 
E

Effekt

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I suggest you all take a CLEAR RULER into the exam so you can see where you are drawing your line!!
 

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