how many years before a slope of a linear regression is positive how to tell if slope is 0 can you tell if the slope of a line is zero what is the difference of slope and confidence interval when to say slope of a line is 0 how to determine whether slope is positive how do you know that the slope of a linear regression line is 0? how to find out if the slope of a line is negative or negative? how to tell if slope is zero what is the difference between 0 and zero for linear regression do you test if slope is 0 when do i know the slope of a linear regression line is negative how to tell if slope is zero what kind of regression is 0 and it shows that the slope is declining when does a slope change for a linear regression when is the slope of a regression line going to decrease? how to tell if slope is 0 when does the slope of a linear regression show as negative or no? does the slope change in year 2 how to tell if slope is 0