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hhmmmmmm, okay. While I will agree there is no "cause and effect" between the two since we are all going to die anyway, you seem to neglect the word "imply" in that phrase.
Indeed they are.Death and an older age are connected.
No. That's not at all what I said. It neither proves nor disproves it.You just posted a link to a fictional graph and try to make an argument that proves the studies and statistics gathered to show the relationship between early retirement and longevity as being fictional.
Neglect? Not at all. "Correlation does not imply causation" is a specific term with a specific meaning when you're discussing statistics.
What it means, in plain English, is that while there appears to be a correlation between the numbers, that does not in itself imply that the one thing (working later, in this case) caused the other thing (earlier death).
What if those that worked later did so because of financial troubles? What if those financial troubles meant they didn't get proper health care or nutrition? What if those who work later in life tend to be men, with shorter average lifespans than women?
And so on. There very often is a third variable (or more) that steers the results.
Look the phrase up and read a few of the links for more on this:
http://www.google.com/search?q=correlation+does+not+imply+causation
Indeed they are.
No. That's not at all what I said. It neither proves nor disproves it.
I said the relationship between early retirement and longevity is not proof that early retirement shortens longevity. It neither proves nor disproves it; it simply shows a relationship. If you want to prove that something causes another thing, you need more data than a simple two-dimensional correlation.