A group of workers on a manufacturing assembly line type information into a computer. They take a training class on how to use a computer, especially as related to data entry. You want to understand if the computer training was effective. How would you go about this, using statistical techniques? Explain fully.
NOTE: Please use an Excel spreadsheet for response. Please do not just provide the answeres but show in complete detail how you arrive at the answers, step-by-step, from the beginning to the end of solution.