Answer:
It is a mathematical method and with it gives a fitted trend line for the set of data in such a manner that the following tow conditions are satisfied. The sum of the deviation of the actual values of Y and the computed values of Y is zero.
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Step-by-step explanation:
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Perpendicular
Perpendicular lines meet at a 90 degree angle.
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Step-by-step explanation: bro please give the branleist please really need it
