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Choose the correct option.
If and for the two sets of data X and Y, then the regression line of X on Y will be :
If $\bar{X} = 40, \bar{Y} = 6, \sigma_x = 10, \sigma_y = 1.5$ and $r = 0.9$ for the two sets of data X and Y, then the regression line of X on Y will be :
- (a)$x - 6y - 4 = 0$
- (b)$x + 6y - 4 = 0$
- (c)$x - 6y + 4 = 0$
- (d)$x + 6y + 4 = 0$
Answer
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From ISC 2022 Mathematics - Specimen paper (Semester 2), Paper 1, question 12(ii).
Check your working with the Regression lines calculator: both regression lines, b_yx, b_xy and r from data, summary sums or the two lines; with estimates.