Or you might recognize this as the slope of the least squares regression line. So this is the slope, and this would be equal to 0.164. Now this information right over here, it tells us how well our least squares regression line fits the data. R squared you might already be familiar with. It says how much of the variance in the y variable is explainable by the x variable. If it was one or 100%, that means all of it could be explained, and it's a very good fit. If it was zero, that means none of it can be explained.