Question: Question 1. [2 Marks] The following regression model is being considered in a. water re- sources study: K; : 260 + 51Xi1 + ZXiZ +

Question 1. [2 Marks] The following regression model is being considered

Question 1. [2 Marks] The following regression model is being considered in a. water re- sources study: K; : 260 + 51Xi1 + ZXiZ + 63Xi1Xi2 + 64% + 52', 3': 1,21' \" ,n State the reduced models for testing Whether or not: (1) 51 : B3 : 0, (2) 52:3164:5

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