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The following crosstabulation shows household income by educational level of the

ID: 2921834 • Letter: T

Question

The following crosstabulation shows household income by educational level of the head of household (Statistical Abstract of the United States, 2008) Household Income ($1000s) Under 25.0 50.0 75.0- 99.9 100 or more 367 4,917 6,850 5,027 2,637 2,668 2.807 5.258 4.678 3.250 4,074 885 2,0942.848 2,58 5,379 829 1,274 24 4.188 13,106 18.490 15,216 10,248 16,676 74.9 Education Level Not H.S. Graduate H.S. Graduate Some College Bachelor's Degree Beyond Bach. Deg 25 49.9 Total 9,961 22,099 20,067 13,787 7,822 4.207 3459 1.389 539 290 Total 73,736 a. Develop a joint probability table (to 4 decimals) Household Income ($1000s) Education L Under 25 25-49.9 50-74.9 75-99.9 100 or More Total Not H.S. Graduate H.S. Graduate Some College Bachelor's Degree Beyond Bach. Degree Total

Explanation / Answer

The joint probability table for the given contingency table data will be as follows:

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