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Which of the following equations could be the equation for the line of best fit for the given set of data?
x y
3 –0.25
5 –1.00
7 –1.50
9 –1.75
11 –2.25
13 –2.25
15 –2.75
17 –3.25
19 –3.
21 –3.50

A)y = 2/11x + 1/11
B)y = -2/11x + 11
C)y =2/11x -11
D)y= -2/11x -11

Answer :

The answer to this problem is D

Answer with Step-by-step explanation:

x     y

3   0.25

5  1.00

7  1.50

9  1.75

11  2.25

13  2.25

15  2.75

17  3.25

19  3.

21  3.50

As we can see the value of y when x=5 is 1

Which is satisfied by equation in part A) only

Hence, the correct option is:

A)y = 2/11x + 1/11

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