ICGB Online Practice Questions and Answers

For a Normal Distribution the Mean, Median and Mode are the same data point.

A. True

B. False

The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.

A. Analysis

B. Kurtosis

C. Risk

D. Route

Due to excessive pollution, GREEN Solutions Inc. is considering subsidizing public transportation to work for its employees. According to the manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work while they use their personal vehicles for their office commute while the management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. Assuming a Normal Distribution for the commute times by either personal or public transportation, which of these is true?

A. The probability that they would arrive on time using personal vehicles is much higher than using the metro public transportation system (MPTS)

B. The probability that they would arrive on time using the MPTS is much higher than using their personal vehicles

C. The two probabilities are about the same excepting in one case the consistency is higher than the other

D. We need to compile more data around weekends to incorporate for traffic differences

E. When Standard Deviation is higher the probability goes down and so the MPTS is worse

For the data shown here a Belt suspects the three grades are supplying the same results.

Which statement(s) are true for proper Hypothesis Testing?

A. The most appropriate Central Tendency to test is the Means

B. An appropriate test to test Central Tendency is the Levene's test

C. An appropriate test to test Central Tendency is the ANOVA test

D. An appropriate test to test Central Tendency is the Mood's Median test

Training cost is $4,000 and a project required an initial investment of $30,000. If the project yields monthly savings of $2,000 beginning after 3 months, what is the payback period in months (before money costs and taxes)?

A. 10

B. 20

C. 27

D. 33

The following Business Case is constructed properly.

"In business unit A there are too many flashlight returns and flashlight sales have decreased by 25

percent."

A. True

B. False

The proper functioning of a Visual Factory is dependent upon which of these?

A. Technically skilled workers

B. Work space with active 5S

C. Availability of visual tools

D. Breakthrough projects

As a type of measurement error, Linearity describes a change in accuracy through the expected operating range of the measurement instrument.

A. True

B. False

The practice of utilizing Poka-Yoke is also known as ________________.

A. Thorough integration

B. Mistake proofing

C. On site inspection

D. Lean controls

When creating a Cause and Effect Diagram the team needs to continually broaden their view as well as drill down until they identify all the potential ______________ impacting their process.

A. Line operators

B. Root Causes

C. Inventory issues

D. Customer requests