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For a given set of data points, what is the minimum absolute value (positive or
For a given set of data points, what is the minimum absolute value (positive or negative) that r must take on to prove that changes in the explanatory variable causes changes in the response variable?
a.) only +/- 1.0
b.) there is no such value. correlation never implies causation.
c.) at least +/- 0.80
d.) at least +/- 0.95
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A) The first three terms are 22, 24, 26
B) There are 15 terms in this sequence that are less than 50