Regression
Various
Variation
Design
Define
100
For simple linear regression, the Y (dependent) variable is assumed to be:
What is Continuous
100
What is the relationship between the confidence interval (CI) and the prediction interval (PI) in regression?
What is The CI width is smaller than the PI width
100
One Factor At a Time
What is What does OFAT stand for in designed experiments?
100
Which approaches can be used to reduce the variation of the response in a designed experiment? (Indicated all that apply)
What is Use repeat measures
100
Which of the following are examples of continuous data? (indicate all that apply)
What is Temperature;#Defects;#Average hold time;#Cost to handle a customer complaint
200
The basic linear regression equation is: Y=b0 + b1 X. Which term in the equation represents the intercept?
What is b0
200
If two variables (A & B) are negatively correlated, which of the following is true? (Indicate all that apply)
What is: As A increases, B decreases;#As A decreases, B increases
200
Which approaches can be used to reduce the variation of the response in a designed experiment? (Indicated all that apply)
What is: Use repeat measures
200
A residual is defined as:
What is The difference between the actual and predicted values
200
Measurement Systems Analysis (MSA) is used to determine how much variation in the data is caused by the measurement system itself.  Which MSA approach is used for continuous data?
What is Gage R&R
300
Which condition indicates the need for Logistic regression?
What is The dependent variable is continuous
300
In DOE, what does the notation 24 indicate?
What is There are 2 factors in the experiment, each at 4 levels
300
The difference between the actual and predicted values
What is: A residual is defined as
300
If you were a customer service agent in a call center, which of the following are examples of out-of-cycle- work? (Indicate all that apply)
What is Load paper into the printer at the start of the day;#Log off of your computer when going home;#Answer the phone when a customer calls
300
Which of the following data values would you find in a Minitab worksheet that had a “-D” at the top of the column?
What is East Coast
400
If the slope term in a regression equation is 7, what can be said about the dependent variable y?
What is A one unit change in x will result in a 7 unit change in the intercept
400
In an interaction plot for two factors, which of the following is true when there is no interaction between the factors?
What is The 2 lines are parallel
400
If you were a customer service agent in a call center, which of the following are examples of out-of-cycle- work? A. Load paper into the printer at the start of the day B. Sign your name on each letter in response to customer queries C. Log off of your computer when going home D. Answer the phone when a customer calls
What is: Load paper into the printer at the start of the day;#Log off of your computer when going home;#Answer the phone when a customer calls
400
An Operator Balance Chart is used to compare the individual cycle times with which of the following?
What is Takt time
400
We often use the equation y = f(x) in this course.  Which of the following statements is correct?
What is x is the output variable
500
What is the null hypothesis when testing to see if the slope in the simple linear regression equation is significant?
What is The slope is equal to 0
500
In a full factorial design:
What is : All combinations of factor levels are run
500
An Operator Balance Chart is used to compare the individual cycle times with which of the following?
What is Takt time
500
The best way to analyze the results of these pre and post evaluations
What is A 2 Sample t test
500
Lean principles include all of the following except:
What is Create pull
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