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The range in which the correlation r lies –

  1. [0, ∞)
  2. R
  3. [-1, 1]
  4. None of these

Answer (Detailed Solution Below)

Option 3 : [-1, 1]
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Detailed Solution

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CONCEPT:

Karl Pearson’s coefficient of correlation r measures numerically only linear relationship between two variables and r lies between –1 and 1.

So,

CALCULATIONS:

Karl Pearson’s coefficient of correlation r measures numerically only linear relationship between two variables and r lies between –1 and 1.

i.e r ∈ [- 1, 1]

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