SOLUTION: By the regression feature of a graphing utility, identify the least squares regression line for the data points shown in the image below. https://s13.postimg.org/szphbjozb/A

SOLUTION: By the regression feature of a graphing utility, identify the least squares regression line for the data points shown in the image below. https://s13.postimg.org/szphbjozb/A_GRA

Question 1050561: By the regression feature of a graphing utility, identify the least squares regression line for the data points shown in the image below.
https://s13.postimg.org/szphbjozb/A_GRAPH.png
A.)
B.)
C.)
D.)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Step 1: Find and as it was done in the table below.
..|..||
|..|..|
|..|..|
..|..|...|
..||..|
..||..|

Step 2: Find the sum of every column:

Step 3: Use the following equations to find and :

Step 4: Substitute and in regression equation formula

The equation of the regression line is:

so, your answer is B.)

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