Use a significance level of 0.05 for all problems in this problem set. Take care
ID: 3151717 • Letter: U
Question
Use a significance level of 0.05 for all problems in this problem set. Take care to explain your reasoning and to use appropriate data. An ANOVA table should be included in each problem.
The following six tables present actual results of exit polls from the 2012 presidential election in states. They record the level of support for President Obama by gender and race. Report on the effect of race, gender, and state on the level of support. Also consider possible interactions between race and gender.
Alabama:
Florida
Maryland
Mississippi
North Carolina
Virginia
Race Male Female White .14 .16 Black .96 .95Explanation / Answer
Alabama
SUMMARY
Groups Count Sum Average Variance
Column 1 2 1.1 0.55 0.3362
Column 2 2 1.11 0.555 0.31205
ANOVA
Source of Variation SS df MS F P-value F crit
Between Groups 2.5E-05 1 2.5E-05 7.71307E-05 0.993790018 18.51282051
Within Groups 0.64825 2 0.324125
Total 0.648275 3
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Florida
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Mary Land
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Mississippi
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North Carolina
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Virginia
SUMMARY Groups Count Sum Average Variance Column 1 2 1.27 0.635 0.18605 Column 2 2 1.37 0.685 0.15125 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 0.0025 1 0.0025 0.014824 0.914225 18.51282 Within Groups 0.3373 2 0.16865 Total 0.3398 3Related Questions
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