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All Couples Endogamous Couples Interracial Couples Marriage Duration in Years 12.500 12.619 10.449 (6.950) (7.000) (5.914) Region of Residence Midwest 0.264 0.271 0.159 Northeast 0.184
All Couples Endogamous Couples Interracial Couples Marriage Duration in Years 12.500 12.619 10.449 (6.950) (7.000) (5.914) Region of Residence Midwest 0.264 0.271 0.159 Northeast 0.184 0.187 0.138 South 0.350 0.353 0.303 West 0.203 0.189 0.401 N 23,139 21,547 1,592
| All Couples | Endogamous Couples | Interracial Couples | |
| Marriage Duration in Years | 12.500 | 12.619 | 10.449 |
| (6.950) | (7.000) | (5.914) | |
| Region of Residence | |||
| Midwest | 0.264 | 0.271 | 0.159 |
| Northeast | 0.184 | 0.187 | 0.138 |
| South | 0.350 | 0.353 | 0.303 |
| West | 0.203 | 0.189 | 0.401 |
| N | 23,139 | 21,547 | 1,592 |
- What proportion of all couples in the data represented in the data that Dr. Zhang and Dr. Van Hook analyze are interracial?
- Calculate the 95% confidence interval for the sample proportion that you calculated in part (a).
- Calculate the 95% confidence interval for the average number of years that couples stayed married for endogenous couples.
- Calculate the 95% confidence interval for the average number of years that couples stayed married for interracial couples.
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Auditing and Assurance services an integrated approach
Authors: Alvin a. arens, Randal j. elder, Mark s. Beasley
14th Edition
133081605, 132575957, 9780133081602, 978-0132575959
