A Contingency Table Is to Be Used to Test for Independence.There

question 44

Multiple Choice

A contingency table is to be used to test for independence.There are 3 rows and 3 columns in the table.How many degrees of freedom are there for this problem?

• A)6
• B)5
• C)4
• D)3
• E)1

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Definitions:

Kingpin

(1) The linkage pin used in a steering knuckle that permits the assembly to pivot, or the tempered steel, coupling pin mounted on a trailer upper coupler that engages with fifth wheel jaws; (2) The lugged pin built into a trailer upper coupler assembly that engages to jaws in a fifth wheel assembly, permitting articulation at the fifth wheel. Forged from middle alloy steels and tempered. In North America, a kingpin is usually welded into the upper coupler; elsewhere, it is more often bolted.

Sliding

The motion where there is continuous contact between a moving object and a surface, often leading to wear or the generation of heat.

Altering Weight

Adjusting the mass distribution in a vehicle or system to change its performance or stability characteristics.

No-Slack

This term might refer to a technology or design feature in vehicle components that reduces or eliminates slack or play, ensuring tighter and more precise control.