I need to check my work. Please answer the questions with excel, showing calculations and formulas.

Part 1: SPC

We've outlined several tools and techniques that have been used in business to improve organizational efficiency and effectiveness. Two useful tools that support this goal are statistical process control (SPC) and capability analysis. We've also focused on applying these techniques to reduce waste, improve product and service quality and increase customer satisfaction. That information provides the background needed to answer the following questions.

1.A