Question 1

When a process is influenced only by common causes of variation,

Accepted Answer

A)  the process may also be influenced by assignable causes of variation. 
B)  many plot points on a control chart will be outside the control limits. 
C)  the process is always capable of meeting customer requirements. 
D)  the process is in statistical control. 
E)  the process is never capable of meeting customer requirements. 
A)  the process may also be influenced by assignable causes of variation. 
B)  many plot points on a control chart will be outside the control limits. 
C)  the process is always capable of meeting customer requirements. 
D)  the process is in statistical control. 
E)  the process is never capable of meeting customer requirements.

Question 2

In 25 samples of 100 units each,75 units were found to be defective.Find the appropriate UCL and LCL for the p chart.

Accepted Answer

A)  0 to .0642 
B)  0 to .0828 
C)  0 to .0812 
D)  .0129 to .0471 
E)  0 to .1324 
A)  0 to .0642 
B)  0 to .0828 
C)  0 to .0812 
D)  .0129 to .0471 
E)  0 to .1324

Question 3

Control charts are used to reduce common causes of variation.

Accepted Answer

A) True 
 B)False

Question 4

Assume that 25 samples of 50 each are taken and the total number of defectives is 34.Find the LCL and UCL for the p chart.

Accepted Answer

A)  [.0134,.0410] 
B)  [0,.0962] 
C)  [.0042,.0502] 
D)  [.0239,.0304] 
A)  [.0134,.0410] 
B)  [0,.0962] 
C)  [.0042,.0502] 
D)  [.0239,.0304]

Question 5

If a manufacturing process is in statistical control,it means that the process is capable of producing products that meet the needs of the customers.

Accepted Answer

A) True 
 B)False

Question 6

If a process is only influenced by common causes of variation,we can state that the process is in statistical control.

Accepted Answer

A) True 
 B)False

Question 7

A goal of statistical process control is continuous process improvement.

Accepted Answer

A) True 
 B)False

Question 8

A sequence of steadily decreasing points on a control chart is called run down.

Accepted Answer

A) True 
 B)False

Question 9

When using  
and R charts to analyze and improve a process,first,the   
chart is analyzed and the necessary action(s)to correct assignable causes of variation is (are)taken before the R chart is analyzed.

Accepted Answer

A) True 
 B)False

Question 10

Process leeway is the distance between natural tolerance limits and control limits.

Accepted Answer

A) True 
 B)False

Question 11

How well a process is able to meet the requirements set forth by the process design is called the quality of _____________.

Accepted Answer

A)  performance 
B)  conformance 
C)  design 
D)  control 
A)  performance 
B)  conformance 
C)  design 
D)  control

Question 12

A cause-and-effect diagram enumerates the potential causes of an undesirable effect on the process to discover sources of process variation and to identify opportunities for process improvement.

Accepted Answer

A) True 
 B)False

Question 13

A sequence of steadily increasing plot points on a control chart is referred to as ___________.

Accepted Answer

A)  funneling 
B)  a run up 
C)  a cycle 
D)  out of control 
A)  funneling 
B)  a run up 
C)  a cycle 
D)  out of control

Question 14

In 20 samples,there are 80 units defective.If each sample consists of 100 units,find the appropriate UCL and the LCL for the p chart.

Accepted Answer

A)  [.0269,.0531] 
B)  [.0204,.0596] 
C)  [.0380,.0420] 
D)  [0,.0988] 
A)  [.0269,.0531] 
B)  [.0204,.0596] 
C)  [.0380,.0420] 
D)  [0,.0988]

Question 15

If  = 5.2, 
 = )3,and n = 4,calculate the natural tolerance limits.

Accepted Answer

A)  [5.054,5.346] 
B)  [4.3,6.1] 
C)  [4.806,5.594] 
D)  [4.763,5.637] 
A)  [5.054,5.346] 
B)  [4.3,6.1] 
C)  [4.806,5.594] 
D)  [4.763,5.637]

Question 16

A ___________ is a set of process observations that are examined for the purpose of constructing control charts.

Accepted Answer

A)  subgroup 
B)  sample 
C)  zone 
D)  list of common causes 
A)  subgroup 
B)  sample 
C)  zone 
D)  list of common causes

Question 17

How well a product or a service performs in the marketplace is called the quality of ______________.

Accepted Answer

A)  performance 
B)  conformance 
C)  design 
D)  control 
A)  performance 
B)  conformance 
C)  design 
D)  control

Question 18

Sources of process variations that are inherent to the process design are called ___________ causes of variation.

Accepted Answer

A)  common 
B)  assignable 
C)  unusual 
D)  expected 
A)  common 
B)  assignable 
C)  unusual 
D)  expected

Question 19

The number of estimated process standard deviations between and the closest specification limit is the _____________ of the process.

Accepted Answer

A)  sigma level capability 
B)  leeway 
C)  mean 
D)  capability 
A)  sigma level capability 
B)  leeway 
C)  mean 
D)  capability

Question 20

_________ is the set of international standards on quality management and quality assurance systems.It establishes processes for assuring that goods and services offered by the company meet a consistent level of quality acceptable to customers.

Accepted Answer

A)  Control Charting 
B)  SQC 
C)  ISO 9000 
D)  ASQC 
A)  Control Charting 
B)  SQC 
C)  ISO 9000 
D)  ASQC

When a process is influenced only by common causes of variation,

In 25 samples of 100 units each,75 units were found to be defective.Find the appropriate UCL and LCL for the p chart.

Control charts are used to reduce common causes of variation.

Assume that 25 samples of 50 each are taken and the total number of defectives is 34.Find the LCL and UCL for the p chart.

If a manufacturing process is in statistical control,it means that the process is capable of producing products that meet the needs of the customers.

If a process is only influenced by common causes of variation,we can state that the process is in statistical control.

A goal of statistical process control is continuous process improvement.

A sequence of steadily decreasing points on a control chart is called run down.

When using and R charts to analyze and improve a process,first,the 11ec8fed_982f_245d_bdf7_67e431980607_TB2569_11 chart is analyzed and the necessary action(s)to correct assignable causes of variation is (are)taken before the R chart is analyzed.

Process leeway is the distance between natural tolerance limits and control limits.

How well a process is able to meet the requirements set forth by the process design is called the quality of _____________.

A cause-and-effect diagram enumerates the potential causes of an undesirable effect on the process to discover sources of process variation and to identify opportunities for process improvement.

A sequence of steadily increasing plot points on a control chart is referred to as ___________.

In 20 samples,there are 80 units defective.If each sample consists of 100 units,find the appropriate UCL and the LCL for the p chart.

If = 5.2, = )3,and n = 4,calculate the natural tolerance limits.

A ___________ is a set of process observations that are examined for the purpose of constructing control charts.

How well a product or a service performs in the marketplace is called the quality of ______________.

Sources of process variations that are inherent to the process design are called ___________ causes of variation.

The number of estimated process standard deviations between and the closest specification limit is the _____________ of the process.

_________ is the set of international standards on quality management and quality assurance systems.It establishes processes for assuring that goods and services offered by the company meet a consistent level of quality acceptable to customers.

An Introduction to Business Statistics

Descriptive Statistics: Tabular and Graphical Methods

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences for Means and Proportions

Statistical Inferences for Population Variances

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Nonparametric Methods

Decision Theory

Filters

Exam 16: Time Series Forecasting and Index Numbers

When a process is influenced only by common causes of variation,

In 25 samples of 100 units each,75 units were found to be defective.Find the appropriate UCL and LCL for the p chart.

Control charts are used to reduce common causes of variation.

Assume that 25 samples of 50 each are taken and the total number of defectives is 34.Find the LCL and UCL for the p chart.

If a manufacturing process is in statistical control,it means that the process is capable of producing products that meet the needs of the customers.

If a process is only influenced by common causes of variation,we can state that the process is in statistical control.

A goal of statistical process control is continuous process improvement.

A sequence of steadily decreasing points on a control chart is called run down.

When using and R charts to analyze and improve a process,first,the 11ec8fed_982f_245d_bdf7_67e431980607_TB2569_11 chart is analyzed and the necessary action(s)to correct assignable causes of variation is (are)taken before the R chart is analyzed.

Process leeway is the distance between natural tolerance limits and control limits.

How well a process is able to meet the requirements set forth by the process design is called the quality of _____________.

A cause-and-effect diagram enumerates the potential causes of an undesirable effect on the process to discover sources of process variation and to identify opportunities for process improvement.

A sequence of steadily increasing plot points on a control chart is referred to as ___________.

In 20 samples,there are 80 units defective.If each sample consists of 100 units,find the appropriate UCL and the LCL for the p chart.

If = 5.2, = )3,and n = 4,calculate the natural tolerance limits.

A ___________ is a set of process observations that are examined for the purpose of constructing control charts.

How well a product or a service performs in the marketplace is called the quality of ______________.

Sources of process variations that are inherent to the process design are called ___________ causes of variation.

The number of estimated process standard deviations between and the closest specification limit is the _____________ of the process.

_________ is the set of international standards on quality management and quality assurance systems.It establishes processes for assuring that goods and services offered by the company meet a consistent level of quality acceptable to customers.

An Introduction to Business Statistics

Descriptive Statistics: Tabular and Graphical Methods

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences for Means and Proportions

Statistical Inferences for Population Variances

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Nonparametric Methods

Decision Theory

Filters