onna172001
25.01.2022 •
Mathematics
Suppose the correlation between two variables (z,y) in a data set is determined to be r = 0.67
What must be true about the slope, b, of the least-squares line estimated for the same set of
data?
A. O The slope will have the opposite sign as the correlation.
B. O The slope will also be a value between-1 and 1.
c. O The slope will have the same sign as the correlation.
D. O The slope b is always equal to the square of the correlation r.
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Ответ:
Step-by-step explanation:
we have
For
substitute the values of m and the value of n in the equation
so