Question 1

_____ is a methodology for drawing conclusions about equality of means of multiple populations.

Accepted Answer

A) Quality analysis 
B) Analysis of variance 
C) Correlation analysis 
D) Regression analysis 
A) Quality analysis 
B) Analysis of variance 
C) Correlation analysis 
D) Regression analysis

Question 2

The Histogram tool provides the basic statistical measures of location,dispersion,and shape.

Accepted Answer

A) True 
 B)False

Question 3

A sample of size 16 is randomly selected from a population of size 90.Determine the standard error of the mean if the population standard deviation equals 20.

Accepted Answer

A) 2.11 
B) 4.16 
C) 4.56 
D) 5.00 
A) 2.11 
B) 4.16 
C) 4.56 
D) 5.00

Question 4

In which of the following companies,a high level of soldering defects was observed,necessitating 100 percent inspection for all circuit boards?

Accepted Answer

A) GE Fanuc Company 
B) Hewlett-Packard 
C) Branch-Smith,Inc. 
D) Berton Card Company 
A) GE Fanuc Company 
B) Hewlett-Packard 
C) Branch-Smith,Inc. 
D) Berton Card Company

Question 5

Group width =

Accepted Answer

A) (UL - LL)/Number of Groups. 
B) Number of Groups/(UL - LL). 
C) (UL + LL)/Number of Groups. 
D) (UL - LL)(Number of Groups). 
A) (UL - LL)/Number of Groups. 
B) Number of Groups/(UL - LL). 
C) (UL + LL)/Number of Groups. 
D) (UL - LL)(Number of Groups).

Question 6

Based on a _____-step process flowchart,it was decided that the analysis would require the use of a moderately complex experimental design in the Six Sigma project.

Accepted Answer

A) 27 
B) 28 
C) 29 
D) 30 
A) 27 
B) 28 
C) 29 
D) 30

Question 7

Correlation is a measure of a linear or a non-linear relationship between two variables.

Accepted Answer

A) True 
 B)False

Question 8

The Data Validation Toolpak in Microsoft Excel for Windows provides many procedures for conducting statistical analyses.

Accepted Answer

A) True 
 B)False

Question 9

Define binomial and Poisson distributions.State their probability functions.

Accepted Answer

Binomial Distribution:
The binomial dist

Question 10

The probability density function for the normal distribution is,   
   
.

Accepted Answer

A) True 
 B)False

Question 11

Products are boxed in groups of 25.Drawing a sample of boxes and inspecting all units in the boxes selected is an example of systematic sampling.

Accepted Answer

A) True 
 B)False

Question 12

The times (in minutes) required by a sample of 15 students to complete a class assigment are given below:
45,42,56,54,40,37,39,45,49,43,45,50,49,55,48
Using Excel functions and calculate the mean,median,mode,range,sample variance,and sample standard deviation.

Accepted Answer

Using Excel 2010 functions,
Mean = AVERA

Question 13

The median is the observation that occurs most frequently.

Accepted Answer

A) True 
 B)False

Question 14

Partitioning a population into hierarchical groups or levels,and selecting a sample from each group is known as:

Accepted Answer

A) simple random sampling. 
B) stratified sampling. 
C) systematic sampling. 
D) cluster sampling. 
A) simple random sampling. 
B) stratified sampling. 
C) systematic sampling. 
D) cluster sampling.

Question 15

Suppose that a scatter diagram depicts a relationship between the two variables that can be summarized by a straight line.The correlation coefficient is computed and results in a value of -0.73.Which of the following is NOT TRUE?

Accepted Answer

A) There is a linear relationship between the two variables. 
B) In general,an increase in one variable is associated with an increase in the other variable. 
C) In general,an increase in one variable is associated with a decrease in the other variable. 
D) Even though the correlation coefficient is less than zero,it still communicates the strength of the linear relationship. 
A) There is a linear relationship between the two variables. 
B) In general,an increase in one variable is associated with an increase in the other variable. 
C) In general,an increase in one variable is associated with a decrease in the other variable. 
D) Even though the correlation coefficient is less than zero,it still communicates the strength of the linear relationship.

Question 16

Briefly explain how the experiment was conducted.

Accepted Answer

A full factorial experiment would take 1

Question 17

In a designed experiment,a(n) _____ measures the difference that a factor has on the response.

Accepted Answer

A) main effect 
B) factorial 
C) treatment 
D) interaction 
A) main effect 
B) factorial 
C) treatment 
D) interaction

Question 18

As the sample size increases,the standard error of the mean increases,all else being held constant.

Accepted Answer

A) True 
 B)False

Question 19

What are the rules that apply when calculating probabilities of events?

Accepted Answer

The following rules apply to calculating

Question 20

If random samples are not used,_____ may be introduced.

Accepted Answer

A) quality control 
B) bias 
C) testing 
D) probability 
A) quality control 
B) bias 
C) testing 
D) probability

_____ is a methodology for drawing conclusions about equality of means of multiple populations.

The Histogram tool provides the basic statistical measures of location,dispersion,and shape.

A sample of size 16 is randomly selected from a population of size 90.Determine the standard error of the mean if the population standard deviation equals 20.

In which of the following companies,a high level of soldering defects was observed,necessitating 100 percent inspection for all circuit boards?

Group width =

Based on a _____-step process flowchart,it was decided that the analysis would require the use of a moderately complex experimental design in the Six Sigma project.

Correlation is a measure of a linear or a non-linear relationship between two variables.

The Data Validation Toolpak in Microsoft Excel for Windows provides many procedures for conducting statistical analyses.

Define binomial and Poisson distributions.State their probability functions.

The probability density function for the normal distribution is, .

Products are boxed in groups of 25.Drawing a sample of boxes and inspecting all units in the boxes selected is an example of systematic sampling.

The times (in minutes) required by a sample of 15 students to complete a class assigment are given below: 45,42,56,54,40,37,39,45,49,43,45,50,49,55,48 Using Excel functions and calculate the mean,median,mode,range,sample variance,and sample standard deviation.

The median is the observation that occurs most frequently.

Partitioning a population into hierarchical groups or levels,and selecting a sample from each group is known as:

Suppose that a scatter diagram depicts a relationship between the two variables that can be summarized by a straight line.The correlation coefficient is computed and results in a value of -0.73.Which of the following is NOT TRUE?

Briefly explain how the experiment was conducted.

In a designed experiment,a(n) _____ measures the difference that a factor has on the response.

As the sample size increases,the standard error of the mean increases,all else being held constant.

What are the rules that apply when calculating probabilities of events?

If random samples are not used,_____ may be introduced.

Introduction to Quality

Foundations of Quality Management

Customer Focus

Workforce Focus

Process Focus

Design for Quality and Product Excellence

Measuring and Controlling Quality

Process Improvement and Six Sigma

The Baldrige Framework for Performance Excellence

Strategy and Performance Excellence

Measurement and Knowledge Management for Performance Excellence

Leadership for Performance Excellence

Building and Sustaining Quality and Performance Excellence

Filters

Exam 6: Statistical Methods in Quality Management

_____ is a methodology for drawing conclusions about equality of means of multiple populations.

The Histogram tool provides the basic statistical measures of location,dispersion,and shape.

A sample of size 16 is randomly selected from a population of size 90.Determine the standard error of the mean if the population standard deviation equals 20.

In which of the following companies,a high level of soldering defects was observed,necessitating 100 percent inspection for all circuit boards?

Group width =

Based on a _____-step process flowchart,it was decided that the analysis would require the use of a moderately complex experimental design in the Six Sigma project.

Correlation is a measure of a linear or a non-linear relationship between two variables.

The Data Validation Toolpak in Microsoft Excel for Windows provides many procedures for conducting statistical analyses.

Define binomial and Poisson distributions.State their probability functions.

The probability density function for the normal distribution is, .

Products are boxed in groups of 25.Drawing a sample of boxes and inspecting all units in the boxes selected is an example of systematic sampling.

The times (in minutes) required by a sample of 15 students to complete a class assigment are given below: 45,42,56,54,40,37,39,45,49,43,45,50,49,55,48 Using Excel functions and calculate the mean,median,mode,range,sample variance,and sample standard deviation.

The median is the observation that occurs most frequently.

Partitioning a population into hierarchical groups or levels,and selecting a sample from each group is known as:

Suppose that a scatter diagram depicts a relationship between the two variables that can be summarized by a straight line.The correlation coefficient is computed and results in a value of -0.73.Which of the following is NOT TRUE?

Briefly explain how the experiment was conducted.

In a designed experiment,a(n) _____ measures the difference that a factor has on the response.

As the sample size increases,the standard error of the mean increases,all else being held constant.

What are the rules that apply when calculating probabilities of events?

If random samples are not used,_____ may be introduced.

Introduction to Quality

Foundations of Quality Management

Customer Focus

Workforce Focus

Process Focus

Design for Quality and Product Excellence

Measuring and Controlling Quality

Process Improvement and Six Sigma

The Baldrige Framework for Performance Excellence

Strategy and Performance Excellence

Measurement and Knowledge Management for Performance Excellence

Leadership for Performance Excellence

Building and Sustaining Quality and Performance Excellence

Filters