Question 1

Which statement(s) are correct for the Regression Analysis shown here? (Note: There are 2 correctanswers).

Options :

A : This Regression is an example of a Multiple Linear Regression.

B : This Regression is an example of Cubic Regression.

C : %Cu explains the majority of the process variance in heat flux.

D : Thickness explains over 80% of the process variance in heat flux.

E : The number of Residuals in this Regression Analysis is 26.

Answer: A,D

Question 2

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 3

Some of the approaches used in Lean include station warning lights, tool boards and jidohka devicesin order that which of these apply?

Options :

A : Workers do not utilize individual methods of cleaning

B : Problems are made highly visible

C : Work stoppages are documented properly

D : Lessen the amount of employee pilferage

Answer: B

Question 4

The Alpha level of a test (level of significance) represents the yardstick against which P-values aremeasured and the Null Hypothesis is rejected if the P-value is which of these?

Options :

A : Less than the Alpha level.

B : Greater than the Alpha level.

C : Greater than the Beta and Alpha level.

D : Less than one minus Alpha.

E : Less than the power of one minus Beta.

Answer: A

Question 5

Which of these is Discrete data?

Options :

A : Train arrived at 4:17 pm.

B : Race car consumed 23 gallons of fuel.

C : Of the 42 people on the bus, 12 went into the station.

D : It took 3 hours and 32 minutes to complete the marathon.

Answer: C

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