Exam 16: Time Series Forecasting and Index Numbers
Exam 1: An Introduction to Business Statistics95 Questions
Exam 2: Descriptive Statistics: Tabular and Graphical Methods85 Questions
Exam 3: Descriptive Statistics: Numerical Methods57 Questions
Exam 4: Probability44 Questions
Exam 5: Discrete Random Variables71 Questions
Exam 6: Continuous Random Variables40 Questions
Exam 7: Sampling and Sampling Distributions52 Questions
Exam 8: Confidence Intervals126 Questions
Exam 9: Hypothesis Testing84 Questions
Exam 10: Statistical Inferences for Means and Proportions70 Questions
Exam 11: Statistical Inferences for Population Variances54 Questions
Exam 12: Experimental Design and Analysis of Variance81 Questions
Exam 13: Chi-Square Tests136 Questions
Exam 14: Simple Linear Regression Analysis95 Questions
Exam 15: Multiple Regression and Model Building119 Questions
Exam 16: Time Series Forecasting and Index Numbers71 Questions
Exam 17: Nonparametric Methods61 Questions
Exam 18: Decision Theory85 Questions
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The distance between natural tolerance limits and customer specifications is called ____________.
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(Multiple Choice)
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A
In a manufacturing process,if the limits for a control chart are set too _____________,the risk of not investigating a special cause of variation and possibly not taking a corrective action ____________.
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Correct Answer:
B
A(n)_______ chart monitors the number of nonconforming units in a subgroup.
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D
Observing the output of a process at fixed time intervals is referred to as ___________ sampling.
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In a manufacturing process,if the limits for a control chart are set too _____________,the risk of unnecessarily tampering with the process ____________.
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The natural tolerance limits for a normally distributed process that is in statistical control
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From 20 samples of size 100,a total of 80 units are defective.What is the centerline for the p chart?
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If a company is using an
chart for a given process with measurement data,it is generally not important or necessary to use an R chart or s chart.
(True/False)
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How well a process is able to meet the requirements set forth by the process design is called
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If = .0139 and 25 shipments of 20 items each were examined,what are the UCL and the LCL for the p chart?
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How well the design of the product meets and exceeds the needs and expectations of the customers is called the quality of performance.
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Unusual sources of variation that can be attributed to specific causes are called the common causes of process variation.
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Periodic sampling is observing the output of a process at random intervals.
(True/False)
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Sigma level capability is the number of estimated process standard deviations between the estimated process mean and the specification limit closest to the estimated process mean.
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When employing measurement data to study a process,the __________ monitors the process variation.
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A systematic method for analyzing process data in which we monitor process variation is called ______________.
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If the ________ limits are within the ________ limits,then it can be concluded that the process is __________.
(Multiple Choice)
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Auxiliary lines drawn on a control chart for accomplishing pattern analysis are called ___________ boundaries.
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A control chart on which the proportions of nonconforming units in subgroups of size n are plotted versus time is a(n)_____ chart.
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