Least square regression line always passes through ____________________?
Correct answer: B. (X,Y)
- A. (x,y)
- B. (X,Y)
- C. (X,Z)
- D. x/y
Explanation
Both least-squares regression lines pass through the point formed by the means of the two variables, written as (X̄, Ȳ). The notation (X,Y) is evidently being used for these mean values.
Written and checked by Zahid Hussain, MS Computer ScienceLast updated
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