The file Obama vs McCain, extracted from the ANES2008 survey, contains the income values for those...

  

Transcribed Image Text:

The file Obama vs McCain, extracted from the ANES2008 survey, contains the income values for those respondents in the sample who reported an income and either voted for Barak Obama or for John McCain. Define the "poorest of the poor" as those who report an INCOME value of no more than $5,000. Using the data from the Excel file Obama vs McCain.xlsx, can we infer that the proportion of Obama voters who are among the "poorest-of-the-poor" is greater than the proportion of the McCain voters who are among the "poorest-of-the-poor" for a = 0.01? sample size Total income avg income st deviation Voted 4 obama 658 21330250 33778.6738 28709.1482 Voted 4 mcain 470 21405000 45542.55319 40547.65416 Hypothesis testing Step 1: State hypothesis in plain English Step 2: Select the statistical measure Step 3: One-side or two-side? Step 4: State hypothesis math Step 5: Level of test Step 6: Select test statistic Step 7: Critical value Step 8: Compute the test statistic Step 9: Compare the test calculated with the critical value Step 10: Write conclusion The file Obama vs McCain, extracted from the ANES2008 survey, contains the income values for those respondents in the sample who reported an income and either voted for Barak Obama or for John McCain. Define the "poorest of the poor" as those who report an INCOME value of no more than $5,000. Using the data from the Excel file Obama vs McCain.xlsx, can we infer that the proportion of Obama voters who are among the "poorest-of-the-poor" is greater than the proportion of the McCain voters who are among the "poorest-of-the-poor" for a = 0.01? sample size Total income avg income st deviation Voted 4 obama 658 21330250 33778.6738 28709.1482 Voted 4 mcain 470 21405000 45542.55319 40547.65416 Hypothesis testing Step 1: State hypothesis in plain English Step 2: Select the statistical measure Step 3: One-side or two-side? Step 4: State hypothesis math Step 5: Level of test Step 6: Select test statistic Step 7: Critical value Step 8: Compute the test statistic Step 9: Compare the test calculated with the critical value Step 10: Write conclusion

Answer rating: 100% (QA)

Step 1 We want to know if the proportion of Obama voters who are among the poorestofthepoor is great... View the full answer