Algebra-1

Question Analysis
This question involves distinguishing between correlation and causation in a fitness technology context.
The main focus is on recognizing that an observed association between workout logging and resting heart rate does not prove that logging workouts directly causes lower heart rates.

Key Concept Explanation
Correlation refers to a statistical link between two variables (workout logging frequency and resting heart rate) where changes in one correspond to changes in the other. This does not confirm causation, as other factors (e.g., overall fitness level, consistency of exercise) could explain both behaviors.
Causation would require evidence that logging workouts itself (not just the exercise) lowers heart rates, which is not demonstrated here.

Step-by-Step Solution
Identify the observed relationship: More frequent workout logging is linked to lower resting heart rates.
Evaluate for direct causation: There is no proof that logging workouts...