ICGB: IASSC Certified Lean Six Sigma Green Belt

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 1-Sample t-test is used to compare an expected population Mean to a target.

Hypothesis Testing can help avoid high costs of experimental efforts by using existing data.

The very best way to begin an effort to map a process is to do which of these?

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.''

The use of station warning lights, tool boards and jidohka devices in the application of Lean accomplish which of these principles?

If the data displayed in a Histogram displays two peaks the distribution would likely be _____________.

The X-Y Diagram is a tool used to identify/collate potential X's and assess their relative impact on multiple Y's.

The purpose of a Process Map is to identify the complexity of the process and to record all actions and decision points in the process.