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 7.5 14 115 (30.67) (51.11) (33.21) Against 60 95 105 260 (69.33) (115.56) (75.1) Neutral 34 30 11 75 (20) (33.33) (21.67) Total 120 200 130 450 Given Chi-sq = 0.71 + 11.17 + 11.12 + 1.27 + 3.66 + 11.89 + 9.8 + 0.33 + 5.25 = 55.2 DF = ??, p-value =??? a) What is DF and p-value? b)What is the conclusion of this test? Give reasons for your answer.
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 7.5 14 115
(30.67) (51.11) (33.21)
Against 60 95 105 260
(69.33) (115.56) (75.1)
Neutral 34 30 11 75
(20) (33.33) (21.67)
Total 120 200 130 450
Given Chi-sq = 0.71 + 11.17 + 11.12 + 1.27 + 3.66 + 11.89 + 9.8 + 0.33 + 5.25 = 55.2
DF = ??, p-value =???
a) What is DF and p-value?
b)What is the conclusion of this test? Give reasons for your answer.
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