Both before and after a recent earthquake, surveys were conducted asking voters which of the three candidates they planned on voting for in the upcoming city council election. Has there been a change since the earthquake? Use a level of significance of 0.05. Table shows the results of the survey. Has there been a change in the distribution of voter preferences since the earthquake? Peter Alan Sui Before 1627 2211 916 After 1203 1622 672 What is the chi-square test-statistic for this data?

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Author:Amos Gilat
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Both before and after a recent earthquake, surveys were conducted asking voters which of the three
candidates they planned on voting for in the upcoming city council election. Has there been a change since
the earthquake? Use a level of significance of 0.05. Table shows the results of the survey. Has there been a
change in the distribution of voter preferences since the earthquake?
Peter || Alan
Sui
Before 1627
2211
916
After
1203
1622
672
What is the chi-square test-statistic for this data?
2
Transcribed Image Text:Both before and after a recent earthquake, surveys were conducted asking voters which of the three candidates they planned on voting for in the upcoming city council election. Has there been a change since the earthquake? Use a level of significance of 0.05. Table shows the results of the survey. Has there been a change in the distribution of voter preferences since the earthquake? Peter || Alan Sui Before 1627 2211 916 After 1203 1622 672 What is the chi-square test-statistic for this data? 2
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