Test statistic and decision about the null hypothesis

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Reference no: EM1316344

A political science professor is interested in finding out whether there is a relation between political affiliation and attitude towards a recent Supreme Court ruling about challenges to federal affirmative -action programs. He samples a group of registered voters at random and organizes the data obtained in the contingency table below.

According to this information, what can he conclude about the relationship he is interested in studying?

Use the Chi-Square/Cross Tab

Attitude towards the ruling

Political Affiliation	Approve	Do Not Approve	Not Sure	Total
Democrats	10	15	5	30
Republicans	15	15	10	40
Independent	6	4	5	15
Total	31	34	20	85

Include each of the following components, Null hypothesis, alternative hypothesis, appropriate statistical test, sample size, level of significance, determination of the critical region, calculated test statistic, decision about the null hypothesis interpretation of results, and a list of references consulted.

Reference no: EM1316344

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