IASSC ICBB-IASSC Exam Questions Instant Access

Question 1

Which statement(s) are correct about the Regression shown here? (Note: There are 2 correct answers).

AThe dependent variable is the outside temperature

BThe relationship between outside temperature and number of customers per hour is a Linear Regression

CThe dashed lines indicate with 95% confidence where all of the process data should fall between

DThe dashed lines indicate with 95% confidence the estimate for the Quadratic Regression Line

EThe predicted number of customers per hour is close to 5 if the outside temperature is 10 deg C

Answer : D, E

Question 2

Since Normality is required if we intend to use the data collected as a predictive tool. To test for Normality of data we must determine if the P-value is ___________.

AEqual to 0.05

BLess than 0.05

CGreater than 0.05

DGreater than 0.5

Answer : C

Question 3

If the results from a Hypothesis Test are located in the "Region of Doubt" area, what can be concluded?

ARejection of the Alpha

BWe fail to reject the Null Hypothesis

CThe test was conducted improperly

DWe reject the Null Hypothesis

Answer : D

Question 4

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 $2,800 in order to stay within budget. Using a sample of 55 first article components, a Mean of the new product upgrade price of $2,240 and a Standard Deviation of $120 was estimated. Based on the data provided, the Z value for the data assuming a Normal Distribution is?

A2.33

B4.67

C6.48

D8.28

Answer : B

Question 5

Of the various types of data shown which is NOT representative of Variable Data.

AChild's height is 4 foot 3 inches

BThree employees wore hard hats

CCar burned 2.7 gallons of gasoline

DTrain was going 140 kilometers per hour

Answer : B

Question 6

The class score distribution of schools in a metropolitan area is shown here along with an analysis output. Comment on the statistical significance between the Means of the two distributions. Select the most appropriate statement.

AThe two class Means are statistically different from each other

BThe two class Means statistically not different from each other

CInadequate information on class Means to make any statistical conclusions

DA visual comparison shows that class Means are not statistically different

EA visual comparison shows that class Means are statistically different

Answer : A

Question 7

Kanban establishes a means of monitoring production, conveyance and delivery information such that efficient flow is established. The method used by Kanban is to require a _________ before anything moves.

ASign-off

BSignal

CBell to ring

DWork order

Answer : B

IASSC Certified Lean Six Sigma Black Belt ICBB-IASSC Exam Questions