THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 3

Short Answer

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A study was conducted to determine whether the use of seat belts in vehicles depends on ethnic status in Detroit.A sample of 1,000 people treated for injuries sustained from vehicle accidents was obtained,and each person was classified according to (1)ethnic status (African American or non-African American)and (2)set belt usage (worn or not worn)during the accident.The data are shown in the table below.
Ethnic Status

-How many degrees of freedom are associated with this test?

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Definitions:

Carbon-Carbon Double Bond

A chemical bond between two carbon atoms involving four bonding electrons, the basis of alkenes' structure and reactivity.

Geometry

The branch of mathematics concerning the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.

Alkene

Unsaturated hydrocarbons with at least one double bond between carbon atoms, exhibiting properties like addition reactions.

(Z)-2-Chloro-4-Ethylhex-2-Ene

A geometric isomer of an organic compound characterized by a specific arrangement of atoms, including a chloride and ethyl group.