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
Answers: 3
Mathematics, 21.06.2019 19:30
00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation
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Mathematics, 21.06.2019 21:00
Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)
Answers: 2
Mathematics, 21.06.2019 22:10
Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3
Answers: 2
To find the equation of a regression line, û = ax + b, you need these formulas:
a =r
Sy<...
a =r
Sy<...
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