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If 4x – 5y + 33 = 0 and 20x – 9y = 107 are two lines of regression, then what are the values of bar x and bar y respectively?

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If 4x – 5y + 33 = 0 and 20x – 9y = 107 are two lines of regression, then what are the values of bar x and bar y respectively? 

a. 12 and 18 

b. 18 and 12 

c. 13 and 17 

d. 17 and 13

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1 Answer

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Best answer

Correct option c. 13 and 17

Explanation:

4 bar x - 5 bar y + 33 = 0 and 20 bar x - 9 bar y -107 = 0 

We get bar x = 13, bar y =17

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