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The table below represents the closing prices of stock ABC for the last five
days. Using your calculator, what is the equation of linear regression that fits
these data?
Day
Value
1
20.71
2
19.69
3
19.61
4
19.64
5
19.26
OA. y = 0.289x + 21.459
OB. y=-0.311x + 19.213
O C. y=-0.295x+20.667
D. y=-0.272x+22.319

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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