lexibaby6083 lexibaby6083

18-01-2024
Mathematics

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The least-squares regression equation for a data set is y = 2x + 5. The actual value at x = 4 is 2.4. What is the residual value at x = 4?
a. -1.6
b. -0.6
c. 0.6
d. 1.6

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