Six Sigma Six Sigma Certifications CLSSYB Questions & Answers

• Question 281:

  For the data shown here which statement is true?

  

  A. With 95% confidence, we cannot conclude if the samples are from three Normal Distributions.

  B. With greater than 95% confidence, we conclude the samples are from Non-normal Distributions.

  C. If we wanted to compare the Central Tendencies of these three samples we could use Mood's Median test.

  D. Both b and c

  Correct Answer: D

• Question 282:

  Contingency Tables are used to test for association, or dependency, between two or more classifications.

  A. True

  B. False

  Correct Answer: A

• Question 283:

  A Non-parametric Test should be used if just one distribution is not Normal out of the two or more gathered.

  A. True

  B. False

  Correct Answer: A

• Question 284:

  The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed?

  A. Testing the identity of two populations

  B. Focuses on equality of the Median of the two populations

  C. More widely applicable than the traditional "t-test"

  D. Both b and c

  Correct Answer: D

• Question 285:

  Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using which of these?

  A. Process proportion equals some value range

  B. Process proportion equals some desired value

  C. Target is current

  D. Proportion of the tail is equal

  Correct Answer: B

• Question 286:

  An ANOVA used across many dependent variables could increase the Beta risk.

  A. True

  B. False

  Correct Answer: B

• Question 287:

  The relationship between a response variable and one or more independent variables is investigated and modeled by use of _____.

  A. X-Y Matrix

  B. Baldridge Assessment

  C. Analysis of Variance (ANOVA)

  D. Critical X's Definition

  Correct Answer: C

• Question 288:

  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 60?F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 15.2 pots per day were sold with a Standard Deviation of 0.6 pots. What is the Z value for this sales process?

  A. 0.67

  B. 1.13

  C. 1.33

  D. 2.66

  Correct Answer: C

• Question 289:

  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 60?F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. The statistical Degrees of Freedom for this example are?

  A. 1

  B. 29

  C. 30

  D. 31

  Correct Answer: B

• Question 290:

  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 60?F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. For the sales accomplished above, what test would validate if they met their requirements?

  A. F Test

  B. Test for Equal Variance

  C. Chi Square Test

  D. One-Sample t-Test

  Correct Answer: D