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Devry BSOP326 week 3 checkpoint




Question;Question 1.1. TCO 11) A standard deviation is a _____.;(Points: 2);sample;descriptive;statistic;census;inference;statistic;Question 2.2. TCO 11) An arbitrary sample of pertinent data;is a _____. (Points: 2);judgment sample;simple random;sample;systematic;sample;stratified;sample;Question 3.3. (TCO 11) The sampling method in which every;item in the population has an equal probability of being selected is called;which of the following? (Points: 2);Simple random;sampling;Stratified;sampling;Systematic;sampling;Judgment sampling;Question 4.4. (TCO 11) Samples are selected to obtain data;about the characteristics of _____. (Points: 2);an experiment;statistic;a population;parameter;Question 5.5. (TCO 11) A system governed only by common;cause variation is a system that exhibits which of the following? (Points: 2);It is highly;productive;In control;It meets a;customer's quality specifications.;It has zero;natural variation.;Question 6.6. (TCO 12) Which of the following tools is used;to identify and isolate causes of a problem? (Points: 2);Shewart diagram;Scatter diagram;Cause-and-effect diagram;Histogram;Question 7.7. (TCO 12) Another name for a cause-and-effect;diagram is which of the following? (Points: 2);Histogram;Run chart;Check sheet;Fishbone;diagram;Question 8.8. (TCO 12) SPC allows workers to separate the;causes of variation from natural causes. (Points: 2);random;special;catastrophic;surprising;Question 9.9. (TCO 12) Which of the following charts is used;to monitor the total number of defects per unit when a constant subgroup size is;employed? (Points: 2);S-chart;C-chart;P-chart;U-chart;Question 10.10. (TCO 12) A bank observes that most customer;complaints come from only a small subset of its total customer base. This is an;example of which of the following? (Points: 2);Clustering;analysis;The Pareto;principle;Data skewing;The central;limit theorem;Question 11.11. (TCO 12) Determine the sample standard;deviation(s) for the following data: 7, 8, 2, 1, 3, and 5. (Points: 5);s = 2.805;s = 3.266;s = 2.927;s = 3.578;Question 12.12. (TCO 12) Six samples of subgroup size 6 (n=6);were collected. Determine the upper control limit (UCL) for an X-Bar chart if;the mean of the sample averages is 4.7 and mean of the sample ranges is 0.35..;CHART (Points: 5);UCL = 4.86905;UCL = 4.90195;UCL = 4.72250;UCL = 5.05805;Question 13.13. (TCO 12) Twenty samples of subgroup size of;5 (n = 5) 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.;TABLE (Points: 5);UCL = 9.3060;UCL = 1.4695;UCL = 11.3256;UCL = 8.8176;Page 2;Question 1. 1. (TCO 11) Describe how a frequency;distribution relates to process variability. (Points: 5);Question 2. 2. (TCO 11) From the standpoint of SPC, what;does the standard deviation measure? (Points: 5);Question 3. 3. (TCO 11) Describe the purpose of a;cause-and-effect diagram. (Points: 5);Question 4. 4. (TCO 12) Explain the difference between Type;I and Type II errors in the context of a control chart. Why is it important to;give operators control over their processes? (Points: 5);Question 5. 5. (TCO 12) Outline the basic steps for setting;up a control chart to monitor a process and determine its process capability.;(Points: 5)


Paper#52459 | Written in 18-Jul-2015

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