If the correlation coefficient r = 1.00, then all the observations must fall exactly on:
a. a straight line with a slope that equals 1.00.
b. a straight line with a negative slope.
c. a straight line with a positive slope.
d. a horizontal straight line with a zero slope.
Question 2
Generally speaking, if two variables are unrelated (as one increases, the other shows no pattern), the covariance will be:
a. a large positive number.
b. a large negative number.
c. a positive or negative number close to zero.
d. None of these choices.
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Table - Correlation Analysis
Table - Correlation Analysis