ICBB Online Practice Questions and Answers

A Full Factorial experiment using a 3 level 3 factor approach has been proposed to test the viability of an extrusion machine experiment. How many treatment combinations will this approach involve?

A. 6

B. 9

C. 27

D. 54

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 experiment are only at 2- levels.

A. 10

B. 128

C. 256

D. 64

Accuracy can be assessed in several ways and a fairly accurate means of measurement is visual comparison.

A. True

B. False

Relative to a Design of Experiments the term Collinear refers to variables being a ________________ of each other.

A. Linear combination

B. Directly parallel

C. Mirror image

D. None of the above

When a Belt implements an improvement that is automated thus requiring no particular understanding for use he has applied which Lean tool?

A. Mistake Proofing

B. Kaizen Event

C. 5S

D. None of the above

For the data set shown here which of these statements is/are true?

A. Hypothesis Testing of Means or Medians cannot be done since there are an unequal number of observations for the 3 samples

B. A Paired T-test would be applicable for comparing Grade B and Grade A since they follow each other in the data set

C. Grade A has the lowest sample Mean of the 3 samples

D. Grade A has a higher sample Mean than Grade B

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 the Belt's effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. The Alternative Hypothesis in the above example is?

A. The Standard Deviation is equal to $300

B. The Mean is less than $4,320

C. The Mean is equal to $4,060

D. The Mean is less than $4,200

E. The Mean is greater than $ 4,200

_____________ is employed where there is only one problem and the possible causes are hierarchal in nature.

A. Affinity diagram

B. Histogram

C. Pareto diagram

D. Ishikawa diagram

Who developed the concept of the Gantt chart?

A. Juran

B. Henry Gantt

C. Deming

D. Kaizen

Which of the following is not a time estimates for PERT?

A. Pessimistic time

B. Most likely time

C. Optimistic time

D. Waiting time