A random sample of residents from various income brackets were asked their opinion on tax reform for the country of Guyana. The data so gathered were analyzed by a statistician and the results he...

A random sample of residents from various income brackets were asked their opinion on tax reform

for the country of Guyana. The data so gathered were analyzed by a statistician and the results he

obtained using MINITAB are shown below:

Expected counts are printed below observed counts
                Low            Middle         High            Total
For            26              75                14                115
           (30.67)           (51.11)           (33.22)

Against     60               95                  105             260
              (69.33)          (115.56)           (**)


Neutral    34                  30                  11              75
              (20)                (33.33)            (21.67)


Total          *                     200                130          450
Chi-sq = 0.71 + 11.17 + 11.12 +*** + 3.66 + 11.89 +9.8 + 0.33 + 5.25 = 55.2
DF = ??, p-value =???

a) Carefully define the null and alternative hypotheses of the ?2 test underlying the generation of the above table.
b) Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’.
c) What is the conclusion of this test? Give reasons for your answer.