Each of these relationships reflects a correlation. Which relationship most likely reflects correlation but not causation?

Question

For a security guard, working more hours is associated with walking farther.
For a receptionist, greeting more visitors is associated with answering more phone calls.
For a librarian, interacting with more patrons is associated with answering more questions.
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Answer 1

The relationship that most likely reflects correlation but not causation is:

"For a receptionist, greeting more visitors is associated with answering more phone calls."

This is because both greeting visitors and answering phone calls might be influenced by a third variable (such as the overall busyness of the office) rather than one causing the other. The increase in visitors could lead to more phone calls coming in simply due to more activity in the environment, rather than the act of greeting visitors directly causing the increase in phone calls.

In contrast, the other relationships seem more likely to involve a causal link related to the specific roles and tasks performed in those jobs.