In an attempt to develop a model of wine quality as judged by wine experts, data on alcohol content and wine quality was
Posted: Wed May 11, 2022 7:05 am
In an attempt to develop a model of wine quality as judged by wine experts, data on alcohol content and wine quality was collected from variants of a particular wine. From a sample of 19 wines, a model was created using the percentages of alcohol to predict wine quality. From the results of that regression, by = 0.2614 and Spy = 0.1257. a. At the 0.05 level of significance, is there evidence of a linear relationship between the percentage of alcohol and wine quality? b. Construct a 95% confidence interval estimate of the population slope, By. a. Determine the hypotheses for the test. Choose the correct answer below. O A. Ho: Bo 50 Hi: Bo > 0 OD. Ho: Bo = 0 H: B0*0 OB. Ho: Bo 20 Hy: Bo0 O E. Ho: B120 H: B,<0 O C. Ho: B230 H1: By > 0 OF. Ho: B4 = 0 H1: B170 Compute the test statistic. ISTAT (Round to two decimal places as needed.) Identify the p-value of the test statistic. p-value = (Round to three decimal places as needed.) Reach a decision. Ho. There is evidence to conclude that there is a linear relationship between the percentage of alcohol and wine quality. b. The 95% confidence interval is sBys- (Round to three decimal places as needed.)