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MATLAB: An Introduction with Applications
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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Question 4: Consider the taste-testing experiment in Queston 2, where nine coffee experts tasted and rated the two products based on a 7 point scale (1 = extremely unpleasing, 7 = extremely pleasing) for each of four characteristics: taste, aroma, richness, and acidity. In addition to the potential new products they decided to include two of their already selling products (C and D) to the experiment.The following data shows the summated ratings over all four characteristics. EXPERT A В C С.С. 24 26 25 22 S.E. 27 27 26 24 E.G. 19 22 20 16 В.L. 24 27 25 23 С.М. 22 25 22 21 C.N. 26 27 24 24 G.N. 27 26 22 23 R.M. 25 27 24 21 P.V. 22 23 20 19 At the 0.05 level of significance, completely analyze the data to determine whether there is evidence of a difference in the summated ratings of the four products and, if so, which of the products are rated highest (i.e., best). What can you conclude?
Transcribed Image Text:Question 4: Consider the taste-testing experiment in Queston 2, where nine coffee experts tasted and rated the two products based on a 7 point scale (1 = extremely unpleasing, 7 = extremely pleasing) for each of four characteristics: taste, aroma, richness, and acidity. In addition to the potential new products they decided to include two of their already selling products (C and D) to the experiment.The following data shows the summated ratings over all four characteristics. EXPERT A В C С.С. 24 26 25 22 S.E. 27 27 26 24 E.G. 19 22 20 16 В.L. 24 27 25 23 С.М. 22 25 22 21 C.N. 26 27 24 24 G.N. 27 26 22 23 R.M. 25 27 24 21 P.V. 22 23 20 19 At the 0.05 level of significance, completely analyze the data to determine whether there is evidence of a difference in the summated ratings of the four products and, if so, which of the products are rated highest (i.e., best). What can you conclude?
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