MAT 510 Final Exam (3 Set, 100% Score) For more course tutorials visit www.tutorialrank.com MAT 510 Final Exam Set 1

Question 1

Improvement is needed for an organization to survive because:

Question 2

The Statistical Thinking Strategy has significant commonality with the scientific method. Which of the following statistical thinking principles is NOT generally associated with the scientific method?

Question 3

Viewing a business as a system is important because:

Question 4

Improving the quality of process measurements is:

Question 5

Suppose the Problem Solving Framework were used to attack a problem where the process in question was inherently stable. Which of the following would be a likely result of this effort?

Question 6

The histogram below showing ages of credit card holders displays what type of distribution?

Question 7

A main purpose of a control chart is to:

Question 8

The histogram has which of the following limitations?

Question 9

Non-random and unpredictable patterns on a control chart indicate:

Question 10

A comparison between the Cp and Cpk for a process would find which of the following to be true?

Question 11

A statistic that is used to indicate too much correlation between the predictors in a regression analysis is called the:

Question 12

An Adjusted R-square value is a correlation coefficient that has been modified to account for:

Question 13

Tips for building useful models include:

Question 14

The model residuals are examined to:

Question 15

Results of regression analysis are often abused in the following ways:

Question 16 The basic reason for randomness of sampling in design of experiments is:

Question 17

In every experiment there is experimental error. Which of the following statements is true?

Question 18

An aspect of good experimental strategy is to study the effects of the variables (Xs) over a wide range. This strategy increases the chances that effects will be found because:

Question 19

This technique is used to eliminate the effects of nuisance factors (e.g., machines, day of week, and season of year) from an experiment.

Question 20

A 32 experiment means that we are experimenting with:

Question 21

We ran a taste-test to see which soft drink employees in our company prefer. We had 100 employees, selected as randomly as possible, taste test two brands and determine which they preferred. Which of the following would be a reasonable statistical analysis to determine if there is a clear preference among our employees?

Question 22

We are testing the null hypothesis that the average monthly revenue between four insurance offices is the same. We obtained a p-value of .07. Which of the following would be an appropriate conclusion about the population?

Question 23

For which of the following scenarios am I most likely to utilize a Chisquared test?

Question 24

Which of the following could be considered a prediction interval?

Question 25

I have made a mistake in copying data into my computer to perform a large regression model with 20 independent variables. Basically, I ended up with random data in each of the columns. However, I accidentally ran the regression anyway. Making reasonable assumptions, which of the following outcomes is most likely?

MAT 510 Final Exam Set 2

â&#x20AC;˘ Question 1

In every experiment there is experimental error. Which of the following statements is true?

â&#x20AC;˘ Question 2

This technique is used to eliminate the effects of nuisance factors (e.g., machines, day of week, and season of year) from an experiment.

• Question 3

An aspect of good experimental strategy is to study the effects of the variables (Xs) over a wide range. This strategy increases the chances that effects will be found because:

• Question 4

A 32 experiment means that we are experimenting with:

• Question 5

Given the plot below, what might you suspect about factors A and B?

• Question 6

Which type of variation was critical to resolving the realized revenue case study?

• Question 7

Figure 2.15 displays a model of the statistics discipline, showing the relationship between statistical thinking, statistical engineering, and statistical methods and tools. Which of the following is a principle illustrated by this model?

• Question 8

The model residuals are examined to:

• Question 9

A statistic that is used to indicate too much correlation between the predictors in a regression analysis is called the:

• Question 10

The best way to evaluate the validity of a statistical model is:

• Question 11

George Box tells us “all models are wrong but some are useful”. By this comment he means:

• Question 12

Models based on subject matter fundamentals (theory) are generally better than statistical models for:

• Question 13

We are testing the null hypothesis that the average monthly revenue between four insurance offices is the same. We obtained a p-value of .07. Which of the following would be an appropriate conclusion about the population?

• Question 14

I have calculated an interval to document the uncertainty in my estimate of the long-term standard deviation I will experience in time to pay invoices in my business going forward. Baaed on this information, this should be considered what type of interval?

• Question 15

After running an ANOVA comparing the average years of experience between five different job classifications, we obtained a p value of .02. Which of the following would be a reasonable conclusion concerning the population in this case?

• Question 16

For which of the following scenarios am I most likely to utilize a Chisquared test?

• Question 17

Which of the following could be considered a prediction interval?

• Question 18

Improvement is needed for an organization to survive because:

• Question 19

Control limits were originally defined at the three-sigma level because:

• Question 20

If my histogram appears bimodal, what tool might help me evaluate why?

• Question 21

In evaluating data on our process outputs, four characteristics we might investigate are: central tendency, variation, shape of distribution, and stability. Which of the following tools would be most helpful to determine stability of the process?

• Question 22

The histogram has which of the following limitations?

• Question 23

Non-random and unpredictable patterns on a control chart indicate:

• Question 24

Refer to Figure 3.21 and choose the correct statement for the measurements

• Question 25

Processes are important because:

MAT 510 Final Exam Set 3

• Question 1

Lean manufacturing, Six Sigma, Total Quality Management are some of the new systems for managing and improving an organization. What is a common theme running through these approaches?

• Question 2

Figure 2.15 displays a model of the statistics discipline, showing the relationship between statistical thinking, statistical engineering, and statistical methods and tools. Which of the following is a principle illustrated by this model?

• Question 3

The Hidden Factory is:

• Question 4

Sub-optimization occurs when:

• Question 5

Suppose the Process Improvement Framework were used to attack a problem where the process in question was inherently unstable. Which of the following would be a likely result of this effort?

MAT 510 Possible Is Everything--tutorialrank.com

For more course tutorials visit www.tutorialrank.com MAT 510 Final Exam Set 1 Question 1 Improvement is needed for an organization...

MAT 510 Possible Is Everything--tutorialrank.com

For more course tutorials visit www.tutorialrank.com MAT 510 Final Exam Set 1 Question 1 Improvement is needed for an organization...