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The range of values that coefficient of correlation can take are _____________.

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SSC CGL Tier-II ( JSO ) 2017 Official Paper ( Held On : 22 Feb 2018 )
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  1. 0 ≤ r ≤ +1
  2. -1 < r < +1
  3. 0 < r < +1
  4. -1 ≤ r ≤ +1

Answer (Detailed Solution Below)

Option 4 : -1 ≤ r ≤ +1
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Detailed Solution

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Explaination

Remember the result that the range of values that coefficient of correlation can take are -1 ≤ r ≤ +1

Important Points

Basically, Correlation refers to the relationship of variables . There are 3 types of correlation

1 - Positive or negative correlation

2 - Simple, partial or multiple

3 - Linear or non linear

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