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It equals the number of columns (or rows) multiplied by the sum of the squared deviations of the row-block sample means from the grand mean.

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It equals the number of rows (or columns) multiplied by the sum of the squared deviations of the column-block sample means from the grand mean.

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It equals the sum of the square deviations between each block sample mean and the grand mean, multiplied by the number of observations made for each block, multiplied by the number of observations per cell.

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It equals the sum of the squared deviations between each treatment sample mean and the grand mean, multiplied by the number of observations made for each treatment.