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1. [-/0.45 Points] DETAILS BBUNDERSTAT12 9.3.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Prehistoric pottery vessels are usually found as sherds (broken pieces) and are carefully reconstructed if enough sherds can be found. An archaeological study provides data relating x = body diameter in centimeters and y = height in centimeters of prehistoric vessels reconstructed from sherds found at a prehistoric site. The following Minitab printout provides an analysis of the data. Predictor Coef SE Coef Constant -0 . 224 2. 429 -0. 09 0. 929 Diameter 0 . 7824 0. 1471 1. 90 0. 008 4. 07980 R- Sq 88. 9% (a) Minitab calls the explanatory variable the predictor variable. Which is the predictor variable, the diameter of the pot or the height? O height O diameter (b) For the least-squares line y = a + bx, what is the value of the constant a? What is the value of the slope b? (Note: The slope is the coefficient of the predictor variable.) Write the equation of the least-squares line. a= b= V= (c) The P-value for a two-tailed test corresponding to each coefficient is listed under P. The tvalue corresponding to the coefficient is listed under 7. What is the P-value of the slope? What are the hypotheses for a two-tailed test of B = 0? O Ho: B O O HO : B = 0; Hi B ox. Yes, the correlation coefficient is significant at the or = 0.01 level because the P-value s or. O No, the correlation coefficient is not significant at the or = 0.01 level because the P-value > ox. Need Help? Read It Watch It