All of the y -distributions have the same variance, and for a given x-value, the distribution of y-values has a mean that lies on the least squares line. Example \PageIndex6 contains the value o...All of the y -distributions have the same variance, and for a given x-value, the distribution of y-values has a mean that lies on the least squares line. Example \PageIndex6 contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013). There is a positive correlation between the length of time a tableware company polishes a dish and the price of the dish.