Consider the formula a = - b for the y -intercept. a. Show that =
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a. Show that = a + b. Explain why this means that the predicted value of the response variable is ŷ = when x = .
b. Show that an alternative way of expressing the regression model is as (ŷ - ) = b(x - ). Interpret this formula.
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a Algebraically we can manipulate the formula a y bx to become y a bx We do this simply by adding bx ...View the full answer
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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