determine the critical value.
determine the degrees of freedom n-1.
t stat:
Show 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, nchness, and acidity. The accompanying data table contains the ratings accumulated over all four characteristics. Complete parts (a) through (d) below E羽 Click the icon to view the data table. a. At the 0.10 level of significance, is there evidence of a difference in the mean ratings between the two brands eth, be the mean rating for brand A and μ2 be the mean rating for brand B. Determine the null and atternative hypotheses for this test
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, nchness, and acidity. The accompanying data table contains the ratings accumulated over all four characteristics. Complete parts (a) through (d) below E羽 Click the icon to view the data table. a. At the 0.10 level of significance, is there evidence of a difference in the mean ratings between the two brands eth, be the mean rating for brand A and μ2 be the mean rating for brand B. Determine the null and atternative hypotheses for this test
