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The cruise control system is inoperative. Technician A says a faulty brake light switch can be the cause. Technician B says the cause may be the dump valve is stuck open. Who is correct?
Chi-Squared Test
A statistical test used to determine if a significant relationship exists between two categorical variables by comparing observed and expected frequencies.
Contingency Table
A table used in statistics to summarize the distribution of two categorical variables, showing the frequency at which certain combinations of the variables occur.
Alternative Hypothesis
The hypothesis that there is a significant difference between groups or conditions, as opposed to the null hypothesis.
Contingency Table
A contingency table is a type of table in a matrix format that displays the frequency distribution of the variables.
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