Ass.14 problem 2

B C D Problem 2 20pts Nine experts rated two brands of coffee in a taste testing experiment, A rating on a 7-point scale (1=extremely unpleasing, to 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. Use the t-Test for dependent samples to decide if the mean ratings for the two Brands are equal or not equal at the alpha =0.02 level of significance. (explain your reasoniing) 10 11 Expert Brand A Brand B 12 C.C. 23 24 13 S.E. 23 23 14 E.G 18 19 15 B.1. 24 26 16 C.M. 21 23 17 C.N. 25 26 18 G.N. 26 25 19 R.M. 21 23 20 P.V. 19 21 21 22 23 24 25 26 27 28 29 30 31 32 33 34