Answered: The test statistic is tsTAT =- !! (Type…

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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Please help find the tstat. Thanks.

Transcribed Image Text: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, arom richness, and acidity. The accompanying data table contains the ratings accumulated over all four characteristics. Complete parts (a) through (d) below. E Click the icon to view the data table. a. At the 0.05 level of significance, is there evidence of a difference in the mean ratings between the two brands? Data Table Let u, be the mean rating for brand A and u, be the mean rating for brand B. Determine the null and alternative hypo O A. Ho: HD S0 (where Hp = H1- 42) H: HD >0 YB. Ho: H Expert Brand A Brand B H, : H C.C. 25 27 O C. Ho: Hp 20 (where Hp = H1 -H2) H: Hp <0 S.E. O D. Ho: H H,: H 26 26 E.G 19 22 B.I. 21 23 С.М. 21 22 The test statistic is tsTAT =- C.N. 24 25 (Type an integer or a decimal. Round to two decimal places as needed.) G.N. 25 24 R.M. 24 26 P.V. 22 23 Enter vour answer in the answer box and thon oliolc Chool Aneu

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