# Chapter 7 | Question 6

Which diagnostics measure depends on the difference between the observation’s value on *x* and the mean *x*?

residual

studentized residual

leverage (also known as hat-value)

Cook’s distance

Which diagnostics measure depends on the difference between the observation’s value on *x* and the mean *x*?

residual

studentized residual

leverage (also known as hat-value)

Cook’s distance