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What the least-squares regression equation

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How do I determine if there is a linear relation among air temperature x1?, wind speed x2?, and wind chill y from the data shown below, measured values for various days, and then determine what the least-squares regression equation y = b0 + b1x1 + b2x2?, where x1 is air temperature and x2 is wind? speed, and y is the response? variable, wind chill?

X1     -30     30     -10      -30     -20     10      30       0       0      -30     -20     30     -10      20

X2      70      30      50      100      30     80      20     10     40       50      40     50      20      90

Y      -96       0      -62    -104     -64    -44      6     -22   -44      -88      -70     -8     -44     -32

Reference no: EM132096875

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