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27 February, 17:41

Given the least squares regression equation, = 1202 + 1,133x, when x = 3, what does equal?

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  1. 27 February, 17:55
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    Let's write that as y = 1202 + 1,133x. Substitute 3 for x in this formula:

    y = 1202 + 1,133 (3) and calculate the y-value:

    y = 1202 + 3399 = 4601 (answer)

    When x=3, this regression equation predicts that y will be 4601.
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