Answer:
124
Step-by-step explanation:
Answer:
443.28
Step-by-step explanation:
Subtract 42.24 from 570.3 three times.
Answer:
Step-by-step explanation:
When 
, we have 
.
Combining like terms on the right side, we have 
.
Finally, dividing by 
we get 
.
We note that 
and 
, so 
.
So, 
and we're done!
Answer:
a. the line that passes through the most data points.
Step-by-step explanation:
Regression analysis, is used to draw the line of‘ best fit’ through co-ordinates on a graph. The techniques used enable a mathematical equation of the straight line form y=mx+c to be deduced for a given set of co-ordinate values, the line being such that the sum of the deviations of the co-ordinate values from the line is a minimum, i.e.
The least-squares regression lines is the line of best fit
