Six Sigma LSSYB Online Practice Questions and Exam Preparation

Six Sigma LSSYB Online Questions & Answers

• Question 1:

  The X-R control chart is said to be `not in control' when:

  A. Consecutive seven points are in one side of the central line
  B. Manipulate process inputs to control process output
  C. Correct for process autocorrelation using algorithmic logic
  D. All of the above
  A. Consecutive seven points are in one side of the central line

• Question 2:

  Xbar-R Chart better than Xbar-S Chart when the subgroup size is small. Which of the following applies in this condition?

  A. Mean is accurate
  B. Range variation estimates are less inflated by small samples
  C. Median is not seen here
  D. Inflation is a part of the budget
  B. Range variation estimates are less inflated by small samples

• Question 3:

  What is the purpose for gage R and R?

  A. statistical analysis to evaluate measure error
  B. to understand repeatability and reproducibility of your MSA
  C. to help validate what is a defect and what is not or to look for variation within operator and between operators
  D. all of the options
  D. all of the options

• Question 4:

  Bias is often referred to as:

  A. Reproducibility
  B. Linearity
  C. Stability
  D. Accuracy
  D. Accuracy

• Question 5:

  An unbiased true value which is normally reported as the difference between the average of a number of measurements and the true value is called:

  A. Reproducibility
  B. Accuracy
  C. Reproducibility
  D. Precision
  B. Accuracy

• Question 6:

  What is not a part of Cause and effect diagram?

  A. Machine
  B. Material
  C. Measure
  D. Transportation
  D. Transportation

• Question 7:

  Run charts can be understood by the following:

  A. Anderson darling test
  B. 80-20 rule
  C. Clusters, Mixtures, Oscillations and trends
  D. excel spreadsheet
  C. Clusters, Mixtures, Oscillations and trends

• Question 8:

  Which of the following statements is/are true for a normal distribution?

  A. the mean, the median and the mode are equal
  B. 50% of values lie within one standard deviation of the mean
  C. it can be described in terms of mean and its standard deviation
  D. the standard deviation is equal to the variation
  A. the mean, the median and the mode are equal

• Question 9:

  Standard Deviation is:

  A. an indicator of the degree of variation in a set of values calculated by measuring the average spread of the values around the mean
  B. The sum of the mean, median, mode, and range of a set of values divided by four
  C. a defective variation that has become accepted as inevitable
  D. the usual workaround when data is unavailable for a process
  A. an indicator of the degree of variation in a set of values calculated by measuring the average spread of the values around the mean

• Question 10:

  The total of all data values divided by the number of data points.

  A. Standard deviation
  B. Mean
  C. Median
  D. Mode
  B. Mean