Galton predicted that people who were prayed for more would be healthier and live longer than people who were prayed for less. this prediction is known as a(n):
a. correlation.
b. hypothesis.
c. confound.
d. bell-shaped curve.

a. correlation.

Explanation:

A correlation is a statistical relationship between two set of variables that does not imply, necessarily, casuality. In this case Galton found that people who prayed would be healthier and live longer, unlike people who pray less. Not necessarily because of the existence a god, but due to habits of religious persons or placebo effect.  

it apply by theyre artifacts

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