WGU C207 Final exam
- T-Test uses this test statistic: T-Value (Must be higher than critical value to reject the Null)
2. A correlation is weak if the coefficient is close to ?: Zero
3. A correlation is strong if the coefficient is close to ?: One or - one
4. Illustrates performance measurements over a period of time: Run Chart
5. Ilitres limits or constraints a process should no exceed: Control Chart
- Assists in braining storming issues that are causing a problem: Cause and Effect Diagram
(Not Measurements)
7. Visual tool to understand a process: Flowchart
8. Easy tool to collect data to create other charts: Check Sheet
- Graphical display of a data set with one bar for each category: Histogram and Parto
10. Graphical display of data set centered: Histogram
11. Graphical display of data set in highest to lowest order: Pareto
- Used for potential relationships and correlation between variables: Scatter diagram
13. Can the seven tools be used independently?: Yes
- What percent of quality problems does Ishikawa claim the seven tools can solve?: 90-95%
- Diagram demonstration all of the elements that can influence a process before it starts:
SIPOC (Supplier- Input- Process- Output- Customer)
16. Manufacturing approach to improving processes: Six Sigma
17. In manufacturing, statistics is used for?: Quality Control
18. Plan- Do- Study- Act- Which step is response to Analytical results?: Act
19. Shows whether a result meets a requirement or not: Attribute
20. Shows how ell a result meets the requirement: Variable
- Variations accepted as the normal part of the process: Common Cause variation
- Variation from an abnormality causing large discrepancy in results: Special cause variation
- Model of designing, analyzing, and scoring tests: IRT: Item Response theory
- How does the government differ that private sector cost-benefit analysis-
: Government benefits aren't always money. could be flood prevention or welfare
- Compares one individual's performance to other individuals: Norm Refer- enced
26. Compares individuals performance to standard score: Criterion referenced
- Management strategy that used results as a central measurement of per- formance: RBM:
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