# Thread: Least squares regression sum must be zero

1. ## Least squares regression sum must be zero

$b_{o}=\bar{y}-b_{i}x$

Guys how do l show that the sum of residuals is zero when l am given this equation ? How do l prove it ?

2. Originally Posted by nyasha
$b_{o}=\bar{y}-b_{i}x$

Guys how do l show that the sum of residuals is zero when l am given this equation ? How do l prove it ?
You could start by explaining the notation and providing more context

CB