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moodle.telt.unsw.edu.au + ed C Several months ago, ... (272) WhatsApp Homework Help - Q&... M Inbox (28,279) - adity.. M Your answer is ready.. U

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moodle.telt.unsw.edu.au + ed C Several months ago, ... (272) WhatsApp Homework Help - Q&... M Inbox (28,279) - adity.. M Your answer is ready.. U https://moodle.telt.un... COMM1190 Course O... QUESTION 1 40 MARKS This question consists of three parts - Part A, B and C. Answer all parts. The following dataset relates quality of wine (scores between 0 and 10) to the following input variables: 1 - fixed acidity 2 - volatile acidity 3 - citric acid 4 - residual sugar 5 - chlorides 6 - free sulfur dioxide 7 - total sulfur dioxide 8 - density 9 - PH 10 - sulphates 11 - alcohol PART A. (16 Marks) You are provided with the following output: Residuals : Min 1Q Median 3Q Max -2. 68911 -0.36652 -0. 04699 0. 45202 2. 02498 Coefficients : Estimate Std. Error t value Pr(>|t| ) (Intercept) 2. 197e+01 2. 119e+01 1.036 0.3002 fixed . acidity 2. 499e-02 2.595e-02 0.963 0.3357 volatile. acidity -1. 084e+00 1.211e-01 -8. 948 |z1) (Intercept) -13.23466 0. 84022 -15.75 |z1 ) (Intercept) -13 . 1586 1. 1252 -11. 694 =0.38 sulphates = 121 TRU TRUE 0.59 2% citric.acid = 0.48 HALO 2% citric.acid

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