Given two bivariate observations, (2, 3) and (3.5, b), where b < 2, the value of...
Given two bivariate observations, (2, 3) and (3.5, b), where b < 2, the value of the correlation coefficient r. please explain it clearly and show why
A. is always +1
B. is always ‒1
C. is always either +1 or ‒1, depending on the value of b
D. can be any number in the range 0 and +1, depending on the values of b
Homework Answers
here as there are only two observation correlation should be perfect
here slope =(3-b)/(2-3.5) which is negative as (3-b) will always be positive for b<2 and (2-3.5) is negative
therefore correlation is negative
option B is correct
B. is always ‒1
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