2. In the data given below there are three predictor variables: height; mass; age. The response variable represents the
Posted: Sat Feb 19, 2022 3:20 pm
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2. In the data given below there are three predictor variables: height; mass; age. The response variable represents the daily incomes of the people in the sample. С Person AB Ꭰ ] E OF Height in m (x1) 1.7 1.9 1.6 1.8 1.6 1.5 Mass in kg (x2) 60 80 85 75 60 Age in years (x3) 22 NA 41 3019 23 Daily income in £ (y) 40 45 44 31 28 27 65 (a) Carry out a hypothesis test at the 5% significance level to assess the fitted model, where the null and alternative hypotheses are given by: H,:B = B2 = B; = 0 and Hį: at least one B; + 0 with 15 j<3, respectively, [25 marks] (b) Summarise your results in an analysis of variance table. [15 marks)