CSSBB Exam Questions
421 real CSSBB exam questions with expert-verified answers and explanations. Page 6 of 9.
- Question #276Analyze Phase
Which statement(s) are incorrect for the Regression Analysis shown here? (Note: There are 2 correct answers).
multiple linear regressionregression outputR-squaredregression coefficients - Question #277Analyze Phase
Which statement(s) are most correct for the Regression Analysis shown here?
multiple linear regressionR-squaredregression analysisstatistical significance - Question #278Analyze Phase
A valid mathematical Regression represents all of the characteristics shown except ___________________________.
regression residualsnormal distributionstandardized residualsregression assumptions - Question #279Analyze Phase
When a Belt conducts a Linear Correlation Analysis and finds that as an X increases the Y also increase then he has proven a ______________ correlation.
linear correlationpositive correlationcorrelation analysis - Question #280Analyze Phase
A valid Multiple Linear Regression (MLR) is characterized by all of these except _______________________.
multiple linear regressionMLR assumptionsmulticollinearityresidual analysis - Question #281Analyze Phase
Which statement is NOT correct about the Fitted Line Plot shown here?
fitted line plotconfidence intervalregression predictionsimple linear regression - Question #282Analyze Phase
When doing Hypothesis Testing on Non-normal data Belts will use a ________________ to compare more than two sample proportions to each other.
non-normal datahypothesis testingproportionscontingency table - Question #283Analyze Phase
It would be more likely than not for a Belt conducting a Regression Analysis to find that the _______________________.
correlation coefficientcoefficient of determinationR-squaredr value - Question #284Analyze Phase
When a Belt properly analyzes the results of an experiment he must examine the Residuals in expectation of finding all of the following except _________.
residual analysisDOE resultsregression residualsstandard deviations - Question #285Analyze Phase
Which statement(s) are correct about the Regression shown here? (Note: There are 2 correct answers).
quadratic regressionconfidence intervalfitted line plotregression interpretation - Question #286Analyze Phase
Which of these might contribute to similar distributions having Unequal Variance?
unequal varianceoutliersdistribution tailsvariance analysis - Question #287Analyze Phase
A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on...
hypothesis testingpractical problem statementone-sample testsupply chain - Question #288Analyze Phase
A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on...
alternative hypothesishypothesis testingone-sample t-testnull hypothesis - Question #289Analyze Phase
A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on...
Z value calculationhypothesis testingnormal distributionone-sample Z-test - Question #290Analyze Phase
A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on...
Z valuelong-term variationprocess capabilitystandard deviation - Question #291Analyze Phase
Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. Fro...
one-sample t-testhypothesis testingnormal distributionsample mean - Question #292Analyze Phase
Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. Fro...
degrees of freedomt-testsample sizehypothesis testing - Question #293Analyze Phase
Sally and Sara sell flower pots at their garage sale. Martha motivates Rose mentioning that they will sell a minimum of 16 pots per day if the outside temperature exceeds 60o F. Fr...
Z value calculationone-sample testnormal distributionhypothesis testing - Question #294Analyze Phase
The relationship between a response variable and one or more independent variables is investigated and modeled by use of __________________.
ANOVAregressionresponse variableindependent variables - Question #295Analyze Phase
An ANOVA used across many dependent variables could increase the Beta risk.
ANOVABeta riskAlpha riskmultiple testing - Question #296Analyze Phase
The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).
Mann-Whitney testnonparametricmedian comparisont-test - Question #297Analyze Phase
Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using which of these?
process proportionhypothesis testingone-sample proportion - Question #298Analyze Phase
A Non-parametric Test should be used if just one distribution is not Normal out of the two or more gathered.
nonparametric testnormality assumptiondistribution - Question #299Analyze Phase
Contingency Tables are used to test for association, or dependency, between two or more classifications.
contingency tablechi-squareassociationdependency - Question #300Analyze Phase
For the data shown here which statement(s) are true? (Note: There are 2 correct answers).
normality testnonparametricMood's mediancentral tendency - Question #301Analyze Phase
A(n) ______________ is best used to compare a Machine 1 average quality characteristic to the same quality characteristic of Machine 2.
2-sample t-testmean comparisonhypothesis testing - Question #302Analyze Phase
For the data set shown here which of these statements is/are true?
paired t-testsample meanhypothesis testing - Question #303Analyze Phase
Review the analysis shown here. Which statements are true about the process? (Note: There are 3 correct answers).
process capabilityWeibull distributionspecification limitsvariation vs centering - Question #304Control Phase
A Lean Six Sigma project is attempting to reduce inventory days. The Process Capability will be monitored as part of the Control Phase to track the sustainability of the improvemen...
process capabilityWeibull distributionnon-normal distributioncapability analysis - Question #305Analyze Phase
A(n) ________________ has occurred when two inputs have a greater impact on a change in the output than either of the inputs has by itself.
interaction effectsDOEfactor interactionsoutput response - Question #306Analyze Phase
When conducting a Hypothesis Test using Continuous Data the proper sample size is influenced by the extent to which we need to assess a Difference to be detected and the inherent v...
sample sizehypothesis testingcontinuous datastatistical power - Question #307Analyze Phase
The validity of the decision made with Hypothesis Testing is dependent upon all of these except ___________________.
hypothesis testingBeta riskAlpha risksample size - Question #308Analyze Phase
Statistical Difference is the magnitude of difference or change required to distinguish between a true difference, brought about by change or improvement, and one that could have o...
statistical significancepractical significancehypothesis testing - Question #309Analyze Phase
To be an effective Lean Six Sigma practitioner one must understand the difference between ___________________________.
practical significancestatistical significanceLean Six Sigma - Question #310Analyze Phase
A Belt is analyzing data and upon creation of the graphical analysis sees multiple modes. One of the primary reasons this could occur is because the process has experienced a _____...
multimodal distributiongraphical analysisprocess variationmeasurement error - Question #311Analyze Phase
From the variance F-test shown above, which of these conclusions is/are valid?
F-testvariance comparisonnormal distributionstatistical inference - Question #312Analyze Phase
Time is always the metric on the horizontal scale of a(n) ___________ Chart.
Multi-Vari chartvariationtime series - Question #313Analyze Phase
To properly analyze the variables impacting the output of a process we need to collect data that represents at least 80% of the variation in the process and assure ourselves we are...
Multi-Vari chartwithin variationbetween variationtemporal variation - Question #314Analyze Phase
When the Inputs, X's, for your process are Normally Distributed about the Mean, the Outputs, Y's, will always be Normally Distributed.
normal distributionprocess inputsoutput distributionstatistical distributions - Question #315Analyze Phase
On a _________________ a Belt screens variables, or various inputs, to analyze their relative impact on the output of concern.
Multi-Vari Chartvariable screeningprocess inputsX-Y analysis - Question #316Analyze Phase
For a Normal Distribution as samples size increases the Range in Mean and Standard Deviation decrease relative to the Mean and Standard Deviation of the population.
normal distributionsample sizecentral limit theoremstandard deviation - Question #317Measure Phase
Some of the sources for different types of error that can be quantified using Statistical Analysis are ___________________.
sampling errormeasurement biaserror sourcesstatistical analysis - Question #318Analyze Phase
Since Normality is required if we intend to use the data collected as a predictive tool. To test for Normality of data we must determine if the P-value is ___________.
normality testP-valuehypothesis testingstatistical significance - Question #319Analyze Phase
The Normal Distribution is considered to be the most important distribution in statistics and, among other things is defined as having a total area under the curve of 1, is mounded...
normal distributionmean median modesymmetryprobability - Question #320Analyze Phase
Following process modifications, the Null Hypothesis states that no improvement to the process has occurred. If we discover the Null Hypothesis Test was rejected when it was false...
null hypothesisType II Errorhypothesis testingstatistical errors - Question #321Analyze Phase
A statistical test or Hypothesis Test is performed to reject or fail to reject a stated hypothesis and it converts the Practical Problem into a Statistical Problem.
hypothesis testingnull hypothesisstatistical problempractical problem - Question #322Analyze Phase
The class score distribution of schools in a metropolitan area is shown here along with an analysis output. Comment on the statistical significance between the Means of the two dis...
hypothesis testingstatistical significancecomparing meansdistribution analysis - Question #323Improve Phase
How many experimental runs exist in a Full Factorial and fully randomized design for 5 factors with 2 replicates for the Corner Points and no Center Points? The factors in the expe...
full factorial designDOEexperimental runsreplication - Question #324Improve Phase
If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16 experimental runs which statement(s) are correct? (Note: There are 3 correct answers).
fractional factorialaliasingconfoundingDOE - Question #325Measure Phase
With Measurement System Analysis we are concerned with two issues that impact the potential variability of the data. They are ____________ and Accuracy.
MSAprecisionaccuracymeasurement variability