Least square regressions are used to find the equation of <em>best fit between two variables</em>.
The equation of the least-squares regression line is: 
The given parameters are:





The equation of the least-squares regression line is represented as:

Where:


So, we have:






So, the equation is:


Read more about equations of least squares regression at:
brainly.com/question/2141008
Answer:
40
Step-by-step explanation:
That is rounded
To do this divide 5.0 by 0.5. Move the decimal one place to the right. Now do the division. It gives you 10.
Answer: 5/2
Step-by-step explanation: 49 - 42/ 21 - 18
I believe its 11 63/100 I hope this really helps