If there is no correlation between two variables, then ___
the line of best fit has an upward slope
the line of best fit has a downward slope
the line of best fit is parallel to the x-axis
none of the above
If there is no correlation between two variables, the line of best fit will have zero slope i.e. it will be parallel to the x-axis.
If the slope of the line of best fit for two variables is negative, then the correlation between the variables is also negative. State true or false.