1. 1

    What are the units of the attribute being monitored on a P Chart?

  2. 2

    In addition to when a process change occurs, under what other conditions will the Upper or Lower Control Limits on a P Chart change?

  3. 3

    You are a computer service company and you have a customer call center for customers to call in with questions. What control chart would you use to track the percentage of calls in a day where the customer was on hold for more than 5 minutes before a customer service agent spoke with them? (The number of calls received in a day varies from a low of 100 to a high of 1200.)