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Independent
(It is an expected condition that the individuals in the study are unaffected by one another.)
What formula is this:
ŷ = a + bx
What do the symbols mean in the following equation:
ŷ = a + bx
a = y intercept
b = slope
x = x variable used to predict y
Historically, returns on investments in the stock market are about 7% per year. The 7% figure is a:
Population p
sample p
not a p
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