[Solved] If = 19, = 24, = 8, and \(\begin{array}{c} \sum X_{1} \quad \sum X_{2} \quad \sum X_{3} \\ \sum\left(\frac{\left(\sum X \text { in column }\right)^{2}}{n \text { in column }}\right) \end{array}\) \(\sum X_{4}\) = 10 and \(n_{1}\) = 5, \(n_{2}\) = 6, \(n_{3}\) = 8, and \(n_{4}\) = 5, what is ? Accounting for Production Operations: null Finished Goods Accounting System: null Job Order Costing Systems: null Perpetual Inventory Systems: null