Question 1

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

Accepted Answer

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

Question 2

The collection of all possible outcomes of an experiment is called the _____.

Accepted Answer

A) event 
B) population 
C) random variable 
D) sample space 
A) event 
B) population 
C) random variable 
D) sample space

Question 3

In a factorial experiment,each combination of different levels of the factor is called a(n)_____.

Accepted Answer

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

Question 4

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 5

_____ is the process of drawing conclusions about unknown characteristics of a population from which data are taken.

Accepted Answer

A) Descriptive statistics 
B) Regression analysis 
C) Statistical inference 
D) Correlation analysis 
A) Descriptive statistics 
B) Regression analysis 
C) Statistical inference 
D) Correlation analysis

Question 6

If a normal random variable has a mean ?= _____ and a standard deviation ?= _____,it is called a standard normal distribution.

Accepted Answer

A) 1; 0 
B) 1; 1 
C) 0; 0 
D) 0; 1 
A) 1; 0 
B) 1; 1 
C) 0; 0 
D) 0; 1

Question 7

Explain how the new experiment was conducted to reduce soldering defects in the process.

Accepted Answer

The next experiment considered the resul

Question 8

The approximation to a normal distribution can be assumed for sample sizes of _____.

Accepted Answer

A) 15 
B) 20 
C) 25 
D) 30 or more 
A) 15 
B) 20 
C) 25 
D) 30 or more

Question 9

Often,the positively skewed data can be transformed to a normal distribution by using a mathematical transformation such as taking logarithms.

Accepted Answer

A) True 
 B)False

Question 10

A manager at a local manufacturing company has been monitoring the output of one of the machines used to manufacture chromium shells.Past data indicate that if the machine is functioning properly,the length of the shells produced by this machine can be modeled as being normally distributed with a mean of 118 centimeters and a standard deviation of 6.3 centimeters.Suppose 10 shells produced by this machine are randomly selected.What is the probability that the average length of these 10 shells will be between 116 and 120 centimeters when the machine is operating "properly"?

Accepted Answer

A) 0.2709 
B) 0.2943 
C) 0.6826 
D) 0.9656 
A) 0.2709 
B) 0.2943 
C) 0.6826 
D) 0.9656

Question 11

_____ is a test or series of tests that enables the experimenter to compare two or more methods to determine which is better or determine levels of controllable factors to optimize the yield of a process or minimize the variability of a response variable.

Accepted Answer

A) Designed experiment 
B) Hypothesis testing 
C) Kurtosis 
D) Regression 
A) Designed experiment 
B) Hypothesis testing 
C) Kurtosis 
D) Regression

Question 12

Briefly explain how the experiment was conducted.

Accepted Answer

A full factorial experiment would take 1

Question 13

Everything else remaining constant,when the sample size increases:

Accepted Answer

A) the variance decreases. 
B) the variance increases. 
C) the variance is unaffected. 
D) the variance could increase or decrease. 
A) the variance decreases. 
B) the variance increases. 
C) the variance is unaffected. 
D) the variance could increase or decrease.

Question 14

The _____ distribution models the time between randomly occurring events. ?

Accepted Answer

A) exponential 
B) Poisson 
C) normal 
D) binomial 
A) exponential 
B) Poisson 
C) normal 
D) binomial

Question 15

What is the team's position on process improvement?
?

Accepted Answer

Statistics are used extensively to impro

Question 16

The _____ measures the degree of asymmetry of observations around the mean.

Accepted Answer

A) coefficient of correlation 
B) coefficient of skewness 
C) coefficient of kurtosis 
D) coefficient of determination 
A) coefficient of correlation 
B) coefficient of skewness 
C) coefficient of kurtosis 
D) coefficient of determination

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

An experiment that evaluates the effect of two temperatures (100 and 200 degrees F)and two reaction times (45 and 95 minutes)on process yield has _____ possible combinations to test.

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
A) 2 
B) 4 
C) 6 
D) 8

Question 19

The number of defects observed in a sample is an example of a continuous random variable.

Accepted Answer

A) True 
 B)False

Question 20

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.

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

The collection of all possible outcomes of an experiment is called the _____.

In a factorial experiment,each combination of different levels of the factor is called a(n)_____.

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

_____ is the process of drawing conclusions about unknown characteristics of a population from which data are taken.

If a normal random variable has a mean ?= _ and a standard deviation ?= _,it is called a standard normal distribution.

Explain how the new experiment was conducted to reduce soldering defects in the process.

The approximation to a normal distribution can be assumed for sample sizes of _____.

Often,the positively skewed data can be transformed to a normal distribution by using a mathematical transformation such as taking logarithms.

_____ is a test or series of tests that enables the experimenter to compare two or more methods to determine which is better or determine levels of controllable factors to optimize the yield of a process or minimize the variability of a response variable.

Briefly explain how the experiment was conducted.

Everything else remaining constant,when the sample size increases:

The _____ distribution models the time between randomly occurring events. ?

What is the team's position on process improvement? ?

The _____ measures the degree of asymmetry of observations around the mean.

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

An experiment that evaluates the effect of two temperatures (100 and 200 degrees F)and two reaction times (45 and 95 minutes)on process yield has _____ possible combinations to test.

The number of defects observed in a sample is an example of a continuous random variable.

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

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 collection of all possible outcomes of an experiment is called the _____.

In a factorial experiment,each combination of different levels of the factor is called a(n)_____.

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

_____ is the process of drawing conclusions about unknown characteristics of a population from which data are taken.

If a normal random variable has a mean ?= _____ and a standard deviation ?= _____,it is called a standard normal distribution.

Explain how the new experiment was conducted to reduce soldering defects in the process.

The approximation to a normal distribution can be assumed for sample sizes of _____.

Often,the positively skewed data can be transformed to a normal distribution by using a mathematical transformation such as taking logarithms.

_____ is a test or series of tests that enables the experimenter to compare two or more methods to determine which is better or determine levels of controllable factors to optimize the yield of a process or minimize the variability of a response variable.

Briefly explain how the experiment was conducted.

Everything else remaining constant,when the sample size increases:

The _____ distribution models the time between randomly occurring events. ?

What is the team's position on process improvement? ?

The _____ measures the degree of asymmetry of observations around the mean.

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

An experiment that evaluates the effect of two temperatures (100 and 200 degrees F)and two reaction times (45 and 95 minutes)on process yield has _____ possible combinations to test.

The number of defects observed in a sample is an example of a continuous random variable.

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

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

If a normal random variable has a mean ?= _ and a standard deviation ?= _,it is called a standard normal distribution.