# Devry GSCM 326 Week 6 Quiz Latest

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## Devry GSCM 326 Week 6 Quiz Latest

week 6

1. 1.Question : (TCO 11) The component of statistical methodology that includes the collection, organization, and summarization of data is called

descriptive statistics.

probability distribution.

statistical inference.

predictive statistics.

Question 2. Question : (TCO 11) The process of developing predictions about the future based on historical data is

predictive statistics.

descriptive statistics.

inference statistics.

random inference.

Question 3. Question : (TCO 11) Which of the following is not a type of sampling scheme?

Stratified sampling

Biased sampling

Cluster sampling

Judgment sampling

Question 4. Question : (TCO 11) Calculating the variance for 10 lengths of steel is an example of which of the following?

Descriptive statistics

Statistical inference

Predictive statistics

Analytical statistics

Question 5. Question : (TCO 11) If the process mean and variance do not change over time, the process is considered to be

in statistical control.

normally distributed.

stable.

capable.

Question 6. Question : (TCO 12) With respect to Pareto analysis, a Pareto _____ is one in which the characteristics observed are ordered from largest frequency to smallest.

quincunx

histogram

charter

distribution

Question 7. Question : (TCO 12) Data such as production volume, cost, and customer satisfaction indexes are often plotted on a _____, which displays the data over time.

check sheet

control chart

run chart

SIPOC diagram

Question 8. Question : (TCO 12) Attribute data are

discrete.

not measurable.

nonrandom.

continuous.

Question 9. Question : (TCO 12) The _____ is used to monitor the centering of the process.

X-bar chart

R-chart

P-chart

NP-chart

Question 10. Question : (TCO 12) Process capability calculations make little sense if the process

data were taken over a period of time.

is not in statistical control.

variations are due to common causes.

is not initiated.

1. 1.Question : (TCO 12) Six samples of subgroup size 7 (n = 7) were collected.Determine the upper control limit (UCL) for an X-bar chart if the mean of the sample averages is 4.7 and the mean of the sample ranges is 0.35.

Factors for calculating control limits

n A2 D3 D4

2 1.880 0 3.267

3 1.023 0 2.574

4 0.729 0 2.282

5 0.577 0 2.114

6 0.483 0 2.004

7 0.419 0 1.924

Question 2. Question : (TCO 12) Twenty samples of subgroup size of 4 (n = 4) were collected for a variable measurement.Determine the upper control limit (UCL) for an R-chart if the mean of the sample ranges equals 4.4.

Factors for calculating control limits

n A2 D3 D4

2 1.880 0 3.267

3 1.023 0 2.574

4 0.729 0 2.282

5 0.577 0 2.114

6 0.483 0 2.004

Question 2. Question : (TCO 2) How do leading CEOs and academia define a TQM

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Devry GSCM 326 Week 6 Quiz Latest