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A cell phone company wants to determine if the use of text messaging is independent of age. The following data has been collected from a random sample of customers. To conduct a contingency analysis, the number of degrees of freedom is:
Ethical Safeguards
Measures put in place to ensure ethical standards are upheld, protecting participants in research or clients in professional settings.
Replication
In scientific research, the process of repeating a study or experiment to verify results and ensure reliability and accuracy of findings.
Transparency
The quality of being open, honest, and straightforward in communication and actions, fostering trust and understanding.
Secondhand Smoke
Tobacco smoke that affects individuals other than the active smoker, containing harmful chemicals that pose health risks to bystanders.
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