Technician a Uses a Powered Test Light to Check a Lightbulb

question 26

Multiple Choice

Technician A uses a powered test light to check a lightbulb. Technician B uses an ohmmeter. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Chi-Square Test

A statistical method used to determine if there is a significant association between two categorical variables.

Expected Frequency

The predicted number of times an outcome is expected to occur in a statistical experiment based on the probabilities of all possible outcomes.

Sample Size

The number of observations or data points collected in a sample for the purpose of statistical inference.

Contingency Table

A data table that displays the frequency distribution of variables to analyze the relationship between categorical variables.