Question 1

Due to excessive pollution, GREEN Solutions Inc. is considering subsidizing public transportation towork for its employees. According to the manager it takes an average weekday commute of 39minutes with a Standard Deviation of 7 minutes for the employees to get to work while they usetheir personal vehicles for their office commute while the management set a policy of not more than40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showedan average of 34 minutes commuting time using the metro public transportation system with aStandard Deviation of 21 minutes. Assuming a Normal Distribution for the commute times by eitherpersonal or public transportation, which of these is true?

Options :

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

Answer: B

Question 2

When analyzing a data set we frequently graph one metric as a function of another. If the slope ofthe Correlation line is -2.5 we would say the two metrics are ___________ correlated?

Options :

A : Positively

B : Not

C : Negatively

D : None

Answer: C

Question 3

When two Inputs have an impact on the Output together yet seem to have no or little impact ontheir own this is called a/an ________________.

Options :

A : Interaction

B : Oddity

C : Coincidence

D : Impossibility

Answer: A

Question 4

The 80:20 rule is associated with which of these tools?

Options :

A : Pareto Chart

B : Simon-s Cross-Functional Tool

C : SIPOC

D : Framing Tool

Answer: A

Question 5

The Z score is a measure of the distance in Standard Deviations of a sample data point from the Median of the sample population.

Options :

A : True

B : False

Answer: B

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