Mathematics, 24.02.2021 21:00 Maxxboogie
Which of the following is not always true of the correlation coefficient r for variables x and y?
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1.) An r = 0 indicates no correlation between x and y.
2.) If r is positive, the slope of the least-square regression line is positive.
3.) r is between -1 and 1, inclusive.
4.)If the units of either x or y were changed, r would remain the same.
5.) Anr = 11 implies perfect linear correlation between x and y.
Answers: 2
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Which of the following is not always true of the correlation coefficient r for variables x and y?
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