Proportion of voters which has changed

Reference no: EM1389853

After the presidential debates, a random sample of 1200 voters showed that 540 favored the Democratic candidate; 480 were in favor of the Republican candidate; 40 were in favor of the Independent candidate, and 140 were undecided. At a 1% level of significance, test to see if the proportion of voters has changed.

Calculate the value of the Chi-Square Test Statistic for this problem. What is it?

Reference no: EM1389853

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