alleryIf r = 0.5 and sigma_y = 6, sigma_x = 4, the regression line y on x has slope
A0.50
B1.33
C0.75
D0.30
Answer & Solution
Correct answer: C. 0.75
1. byx = r * (sigma_y / sigma_x).
2. = 0.5 * (6 / 4).
3. = 0.5 * 1.5.
4. = 0.75.
_Source: ICAI BoS Foundation Paper 3, Ch 17 'Regression', p.11_
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