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Each of these relationships reflects a correlation. Which relationship most likely reflects both correlation and causation? $\newline$ Choices: $\newline$ (A) For an airline, hiring more gate agents is associated with hiring more flight attendants. $\newline$ (B) For a hotel, having more guests is associated with cleaning more rooms. $\newline$ (C) For a tourist, taking more pictures is associated with packing a larger suitcase.

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Correlation and causation

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Q. Each of these relationships reflects a correlation. Which relationship most likely reflects both correlation and causation?

\newline

Choices:

\newline

(A) For an airline, hiring more gate agents is associated with hiring more flight attendants.

\newline

(B) For a hotel, having more guests is associated with cleaning more rooms.

\newline

(C) For a tourist, taking more pictures is associated with packing a larger suitcase.

Analyze Relationship: First Option: Analyze the relationship of the first option $A$ : Does hiring more gate agents cause an airline to hire more flight attendants? The relationship between hiring gate agents and flight attendants is likely due to scaling up operations, but one does not cause the other directly. They are both correlated to the growth of the airline.
Analyze Relationship: Second Option: Analyze the relationship of the second option (B): Does having more guests in a hotel cause more rooms to be cleaned? The answer is Yes, as the number of rooms that need to be cleaned is directly dependent on the number of guests staying in the hotel.
Analyze Relationship: Third Option: Analyze the relationship of the third option $C$ : Does taking more pictures cause a tourist to pack a larger suitcase? The answer is No, as the size of a suitcase a tourist decides to pack is independent of the number of pictures they plan to take.
Select Likely Option: Finally, select the option that most likely reflects both correlation and causation. The answer is 'For a hotel, having more guests is associated with cleaning more rooms.' as the number of guests directly causes an increase in the number of rooms that need to be cleaned.

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