In F-test, S12 and S22 are defined as

In F-test, S12 and S22 are defined as Correct Answer $${S_1}^2 = \frac{{\sum {{\left( {{X_1} - {{\overline X }_1}} \right)}^2}}}{{{n_1} - 1}},\,{S_2}^2 = \frac{{{{\left( {{X_2} - {{\overline X }_2}} \right)}^2}}}{{{n_1} - 1}}$$

Bissoy MCQ

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