It is equal to 22.75. So if you wanted to know, so this is essentially the error that the line does not explain. This is the total error, this is the total variation of the numbers. So if you wanted to know the percentage of the total variation that is not explained by the line, you could take this number divided by this number. So 2.74 over 22.75. This tells us the percentage of total variation not explained by the line or by the variation in x. By variation in x.