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Question #4a4d3

1 Answer

Oct 7, 2016

#square#?

Explanation:

a) State the underlying assumptions for the classical linear regression model stated below:

#y_i = beta_0+beta_1x_i+beta_2z_i+e_i#

b) Graphically illustrate the following assumptions:

#E(?_i)=0#, #sigma(?)= ?_2#, #sigma(?_l) ? ?_2#

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