Answered: Find the test statistic, critical…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter1: Fundamental Concepts Of Algebra

Section1.1: Real Numbers

Problem 30E

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Nine experts rated two brands of coffee in a taste-testing experiment. A rating on a 7-point scale (1=extremely unpleasing, 7=extremely pleasing) is given for each of four characteristics: taste, aroma, richness, and acidity. The accompanying data table contains the ratings accumulated over all four characteristics.

Find the test statistic, critical vlaues, p-value and construct a 95% confidence interval estimate of the difference in the mean ratings between the two brands.

Transcribed Image Text:Expert C. Brand A Brand B 24 26 S.E. 26 26 E.G 18 19 B.I. 21 23 C.M. C.N. 21 23 24 25 G.N. 25 24 R.M. 24 26 P.V. 22 24

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