**GSCM 326 Week 6 Quiz Latest**

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**GSCM 326 Week 6 Quiz Latest**

**GSCM326**

**GSCM 326 Week 6 Quiz Latest**

**GSCM 326 Week 6 Quiz Latest**

**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)** A simple random sample is often use to estimate

- point estimates.
- random variables.
- statistics.
- population parameters.

**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)** If _____ is not used, _____ may be introduced.

- random sampling; systemic error
- judgment; bias
- random sampling; bias
- stratified sampling; systemic error

**Question 5. Question : (TCO 11)** If the variation in the process is due to common causes alone, the process is said to be

- out of control.
- in statistical control.
- in precontrol.
- out of capability.

**Question 6. Question : (TCO 12)** _____ are special types of data collection forms in which the results can be interpreted on the form directly without additional processing.

- Check sheets
- Run charts
- Data sheets
- Control charts

**Question 7. Question : (TCO 12)** The Pareto diagram was named after whom?

- Juran
- An Italian economist
- Imai
- Kano

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

- discrete.
- not measurable.
- nonrandom.
- continuous.

**Question 9. Question : (TCO 12)** An alternative to using the R-chart is the

- NP-chart.
- S-chart.
- C-chart.
- P-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.

**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 2 (n = 2) 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