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This question belongs to Agriculture Agricultural Statistics

Agricultural Statistics

?

$${\chi ^2}$$ is calculated by the help of formula

A) $${\chi ^2} = \frac{{\sum {{\left( {{\text{O}} - {\text{E}}} \right)}^2}}}{{\text{E}}}$$ B) $${\chi ^2} = \frac{{\sum \left( {{\text{O}} - {\text{E}}} \right)}}{{{{\left( {\text{E}} \right)}^2}}}$$ C) $${\chi ^2} = \frac{{\sum {{\left( {{\text{O}} - {\text{E}}} \right)}^2}}}{{\sum {\text{O}}}}$$ D) $${\chi ^2} = \frac{{\sum {{\left( {{\text{E}} - {\text{O}}} \right)}^2}}}{{\sum {{\left( {\text{O}} \right)}^2}}}$$

Answer & Solution

Correct Answer: Option A

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