Answered: The following data on price ($) and the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:The following data on price ($) and the overall score for 6 stereo headphones that were tested by Consumer Reports were as follows. The estimated regression equation for these data is ŷ 25.135 +0.305x. Use Table 2 of Appendix B to find the p-value. The p-value is between 0.02 and 0.05 What is your conclusion? Use a = 0.05. There is a significant relationship between price and overall score a. Does the t test indicate a significant relationship between price and the overall score? Compute the value of the t test statistic. Use a = 0.05 t = X (to 2 decimal places.) Source of Sum of Degrees Variation Squares of Freedom Regression Error Total X X X X X Mean Square X X F Brand Bose Scullcandy p-value (to 4 decimals) Koss X Phillips/O'Neill Denon JVC Price Score 190 78 160 85 b. Test for a significant relationship using the F test. Use Table 4 of Appendix B. p-value is between 0.01 and 0.025 What is your conclusion? Use a = 0.05. Because p-value is less than or equal to ◆ 0.05, we reject Ho B₁ is equal to zero c. Show the ANOVA table for these data. Round your answers to three decimal places, if necessary. Do not round intermediate calculations. 80 80 35 1654 N 75 67 40 27

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