Question: Looking for a tutor's help with these two questions please Question 1: Expert Brand A Brand B C.C. 23 24 S.E. 24 24 E.G 19

Looking for a tutor's help with these two questions please

Question 1:

21 B.I. 22 24 C.M. 21 23 C.N. 24 25 G.N. 25

24 R.M. 22 24 P.V. 21 22Nine experts rated twc 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

Expert Brand A Brand B C.C. 23 24 S.E. 24 24 E.G 19 21 B.I. 22 24 C.M. 21 23 C.N. 24 25 G.N. 25 24 R.M. 22 24 P.V. 21 22Nine experts rated twc 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. Complete parts (a) through (d) below. Click the icon to view the data table. a. At the 0.10 level of signicance, is there evidence of a difference in the mean ratings between the two brands? Let [:1 be the mean rating for brand A and p2 be the mean rating for brand B. Determine the null and alternative hypotheses for this test, O A. H0: pD#0(wnere pD=p1 -pz) 0 B. Ho: uD50(where pD =p1-p2) H1IFD=0 H12pD>O O c. H0:pD20(wherepD=p1-p2) (D D. H0:pD=0(wherepD=p1-p2) H1:pD0 C. Ho:pD=0(where pD=p1-p.2) OD. Ho:pDZO (where pD=p1-p2) H1:pD#0 H1:pD

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