IASSC IASSC Certifications IASSC-ICBB Questions & Answers

• Question 221:

  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 ___________.

  A. Equal to 0.05

  B. Less than 0.05

  C. Greater than 0.05

  D. Greater than 0.5

  Correct Answer: C

• Question 222:

  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 and symmetrical and the Mean, Median and Mode are _____________.

  A. All evenly divisible by 3

  B. Twice the Standard Deviation

  C. Within 10% of each other

  D. The same number

  Correct Answer: D

• Question 223:

  Some of the sources for different types of error that can be quantified using Statistical Analysis are ___________________.

  A. Error in sampling

  B. Bias in sampling

  C. Error in measurement

  D. All of these answers are correct

  Correct Answer: D

• Question 224:

  On a _________________ a Belt screens variables, or various inputs, to analyze their relative impact on the output of concern.

  A. X-Y Matrix

  B. Weighted Scale

  C. Multi-Vari Chart

  D. Poisson Chart

  Correct Answer: C

• Question 225:

  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.

  A. True

  B. False

  Correct Answer: A

• Question 226:

  When the Inputs, X's, for your process are Normally Distributed about the Mean, the Outputs, Y's, will always be Normally Distributed.

  A. True

  B. False

  Correct Answer: B

• Question 227:

  Time is always the metric on the horizontal scale of a(n) ___________ Chart.

  A. Pareto

  B. Xbar

  C. Multi-Vari

  D. NP

  Correct Answer: C

• Question 228:

  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 collecting data from all three types of variation which are _______________.

  A. Within, Between and Temporal

  B. Within, Between and Temporary

  C. Without, Above and Below

  D. Induced, Natural and Unavoidable

  Correct Answer: A

• Question 229:

  From the variance F-test shown above, which of these conclusions is/are valid?

  A. The variance between the class score distribution is significantly different

  B. The variance between the class score distribution is not significantly different

  C. This test applies only to Normal Distributed data at 99 % confidence

  D. This test applies only to Non-normal Data at 99 % confidence

  E. There are not enough data points to make any statistical conclusions

  Correct Answer: A

• Question 230:

  To be an effective Lean Six Sigma practitioner one must understand the difference between ___________________________.

  A. ANOVA and the Analysis of Variance

  B. Nonparametric tests and tests of Non-normal Data

  C. F-test and test of variances of 2 samples

  D. Practical and Statistical significance

  Correct Answer: D