Answer:
It means if the line goes up it is positive correlation, and it it goes down, it is negative. But if there are just random dots, than there is no correlation, and you cant draw a line.
Explanation:
The slope of the trend line is the rate of change of the data. It is the ratio of the change of the dependent variable to the rate of change of the independent variable. Slope represents the value of the correlation.
This is the exact sample response from edge.
7.5m questions
10.0m answers