Complete the Formula for the Sum of Squares Between Groups $s _ { B } ^ { 2 } =$

question 1

Multiple Choice

Complete the formula for the sum of squares between groups: $s _ { B } ^ { 2 } =$

• A) \(\frac { \left( \bar { X } _ { i } - \bar { X } _ { j } \right) ^ { 2 } } { s _ { w } ^ { 2 } \left( 1 / n _ { \mathrm { i } } + 1 / n _ { j } \right) }\)
• B) \(\frac { \sum \left( n _ { i } - 1 \right) s _ { i } ^ { 2 } } { \sum \left( n _ { i } - 1 \right) }\)
• C) \(\frac { \bar { X } _ { i } - \bar { X } _ { j } } { \sqrt { s _ { w } ^ { 2 } / n } }\)
• D) \(\frac { \sum _ { i } n _ { i } \left( \bar { X } _ { i } - \bar { X } _ { G M } \right) ^ { 2 } } { k - 1 }\)

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