Answer
$b = r\frac{s_{y}}{s_{x}} = 0.5 \frac{3.1}{2.7} = 0.574$
$a = \bar y - b \bar x = 64.3 - 0.574 \times 69.9 = 24.1774$
$\hat y = 24.1774 +0.574x$
This implies that for each unit increase in height of a wife, height of husband will increase by 0.574
Work Step by Step
Given above
