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Correlation — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsCorrelation3 Marks
Question
Name the graphic method of measuring dispersion. Write its three demerits.
✓

Answer

The graphic method of measuring dispersion is called “Scatter diagram”. Its three demerits are:
  1. It does not indicate the numerical value of correlation as it is a non-mathematical method.
  2. It provides only a broad and rough idea of the correlation between the two variables.
  3. In case of more than two variables, it is not possible to draw a scatter diagram.

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