Quiz

  1. 1
    Beginner

    What type of data distribution or curve is characterized by a symmetrical shape, a peaked center, and the extremes of the curve approaching zero?

  2. 2
    Beginner

    Normal variation creates predictable process performance. Why is this important for process control?

  3. 3
    Beginner

    When considering a normal curve and normal variation, what percentage of the variation is contained within the span of plus and minus 3 standard deviations?