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Question 18

If r denotes the correlation coefficient between two variables, which of the following is always true?

  • A.\(0 < r \leq 1\)
  • B.\(-1 \leq r < 1\)
  • C.\(-1 < r \leq 0\)
  • D.\(-1 \leq r \leq 1\)
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2012
Question no.
#18
Type
Objective
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