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. Complete parts (a) through (d) below. %3D E Click the icon to view the data table. 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 hypothese VB. Ho: Po"0 ( O A. Ho: Ho so (where Ho =H -2) H: Ho >0 H,: Ho #0 Expert С.С. Brand A 25 Brand B 27 OC. Ho: Ho 2 0 (where Ho "H1 -2) H,: Ho <0 OD. Ho: Ho #0 S.E. 26 19 26 22 23 22 H,: Ho =0 E.G B.I. 21 The test statistic is teTAT -3.05. (Type an integer or a decimal. Round to two decimal places as needed.) C.M. C.N. 21 24 25 24 22 25 The critical value(s) is(are) (Type integers or decimals. Round to two decimal places as needed. Use a comma to separate answers as needed.) G.N. R.M. P.V. 24 26 23

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Please help with the critical values.
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. Complete parts (a) through (d) below.
E Click the icon to view the data table.
- X
i Data Table
%3D
Let u, be the mean rating for brand A and u, be the mean rating for brand B. Determine the null and alternative hypothese
O A. Ho: Hp s0 (where Hp =H -2)
YB. Ho: Hp =0
H,: Hp >0
H,: Pp #0
Expert
Brand A
Brand B
C.C.
25
27
O C. Ho: Hp 20 (where up =H -H2)
O D. Ho: HD #0 (
H, : Ho = 0
S.E.
26
26
22
H,: Pp <0
E.G
19
B.I.
21
23
The test statistic is tsTAT
= - 3.05.
C.M.
21
22
(Type an integer or a decimal. Round to two decimal places as needed.)
C.N.
24
25
G.N.
25
24
R.M.
The critical value(s) is(are).
(Type integers or decimals. Round to two decimal places as needed. Use a comma to separate answers as needed.)
24
26
P.V.
22
23
Cnto
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, aroma, 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. - X i Data Table %3D Let u, be the mean rating for brand A and u, be the mean rating for brand B. Determine the null and alternative hypothese O A. Ho: Hp s0 (where Hp =H -2) YB. Ho: Hp =0 H,: Hp >0 H,: Pp #0 Expert Brand A Brand B C.C. 25 27 O C. Ho: Hp 20 (where up =H -H2) O D. Ho: HD #0 ( H, : Ho = 0 S.E. 26 26 22 H,: Pp <0 E.G 19 B.I. 21 23 The test statistic is tsTAT = - 3.05. C.M. 21 22 (Type an integer or a decimal. Round to two decimal places as needed.) C.N. 24 25 G.N. 25 24 R.M. The critical value(s) is(are). (Type integers or decimals. Round to two decimal places as needed. Use a comma to separate answers as needed.) 24 26 P.V. 22 23 Cnto
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