Question

The _____ is used to monitor the centering of the process.

            a.         -chart

            b.        R-chart

            c.        p-chart

            d.        np-chart

_____ is the process of drawing conclusions about unknown characteristics of a population from which data are taken.

            a.        Descriptive statistics

            b.        Regression analysis

            c.        Statistical inference

            d.        Correlation analysis

A “p” chart:

A. Can be used for only one type of defect per chart

B. Plots the number of defects in a sample

C. Plots either the fraction or percent defective

D. Plots variations in dimensions

In the context of the DMAIC process, _____ provide a broad overview of the key elements in the process and help to explain who the process owner is, how inputs are acquired, who the process serves, and how it adds value.

            a.        Pareto diagrams

            b.        cause-and-effect diagrams

            c.        SIPOC maps

            d.        histograms

Answer 1

1. A. -chart, the chart is used to monitor the centering of the process.

2. C. statistical inference, statistical inference is the process of drawing conclusion about unknown characteristics of a population from which data are taken.

3. D. plots variations in dimension ,p chart plots variation in dimensions.

4. C. SIPOC maps, in the context of the DMAIC process, SIPOC maps provide a broad overview of teh key element in the process and help to explain who the process owner is, how inputs are acquired, who the process serves , and how it adds value.