Mathematics, 03.06.2020 08:57 maryam615

To find the equation of a regression line, û = ax + b, you need these formulas:
a =r
Sy
Se
b = 7- 8X
A data set has an r-value of 0.793. If the standard deviation of the x-
coordinates is 5.591, and the standard deviation of the y-coordinates is 2.772,
what is the slope of the line to three decimal places?
A. 0.393
B. 2.543
C. 1.599

To find the equation of a regression line, û = ax + b, you need these formulas: a =r Sy Se b = 7- 8

Answers: 3

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To find the equation of a regression line, û = ax + b, you need these formulas:
a =r
Sy<...