What is the population under consideration?
tutor4helpyouWhat is the population under consideration?
What are the two variables under consideration?
Group the bivariate data for the variables “birth region” and “party” into a contingency table.
Count of Party | Column Labels |
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Row Labels | D | DR | F | R | U | W | (blank) | Grand Total |
MW | 1 |
|
| 10 |
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| 11 |
NE | 7 | 1 | 1 | 5 |
| 1 |
| 15 |
SO | 6 | 3 | 1 | 2 | 1 | 3 |
| 16 |
WE | 1 |
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| 1 |
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| 2 |
(blank) |
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Grand Total | 15 | 4 | 2 | 18 | 1 | 4 |
| 44 |
Find the conditional distributions of birth region by party and the marginal distribution of birth region.
Find the conditional distributions of party by birth region and the marginal distribution of the party.
Does an association exist between the variables “birth region” and “party” for the U.S. presidents? Explain your answer.
What percentage of presidents are republicans?
If no association existed between birth region and party, what percentage of presidents born in the south would be Republicans?
11 years ago
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