Researchers studying senior citizens discovered that an elderly person's walking speed was correlated to that person's chance of living longer. the fastest walkers were more likely to live another 10 years than were the slowest walkers. describe the correlation, and discuss whether it is due to causation.

The Problem which talks about correlation about Researchers studying senior citizens discovered that an elderly person's walking speed was correlated to that person's chance of living longer.

Also, it is given that The fastest walkers were more likely to live another 10 years than were the slowest walkers.

So, we can conclude from above statement that , elders who walks more has high correlation than the elders who do not take regular walk daily.

Yes, as walking makes our heart , body and mind strong, so chances of living becomes higher.

So, Elders who take walk regularly has high value of Positive correlation than person who does not take regular walk.

the answer to your question is b.

a ≈ 172.05

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