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Sagot :
Using a calculator, it is found that the equation of linear regression that fits the data is given by:
C. y=-0.295x+20.667
How to find the equation of linear regression using a calculator?
To find the equation, we need to insert the points (x,y) in the calculator.
In this problem, the points are given as follows: (1, 20.71), (2, 19.69), (3, 19.61), (4, 19.64), (5, 19.26). Hence the equation is:
Doing this, the equation is:
y = -0.295x + 20.667.
Hence option C is correct.
More can be learned about an equation of linear regression at https://brainly.com/question/17261411
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