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Free IASSC ICBB Practice Exam with Questions & Answers | Set: 8

Questions 71

The reported Cpk for a process with an average of 104 units, a spread of 18 units and upper and lower specification limits of 122 and 96 units would be?

Options:
A.

0.5

B.

0.89

C.

1.00

D.

2.00

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Questions 72

Measurement __________ is defined as the difference between the observed and the expected values for a given set of data.

Options:
A.

Breadth

B.

Linearity

C.

Range

D.

Bias

Questions 73

Six Sigma is a business improvement discipline whose fundamental view is based on a _________ oriented approach of the business.

Options:
A.

Profit

B.

Performance

C.

Process

D.

Predatory

Questions 74

The two types of data that can be used in Statistical Analysis are Attribute and Variable.

Options:
A.

True

B.

False

Questions 75

Control Charts were developed by Dr. Shewhart to track data over time. To detect Special Cause variation the Control Charts use which of these?

Options:
A.

Data shift analysis

B.

Outlier analysis methods

C.

Center Line and Control Limits

D.

None of the above

Questions 76

Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. For the sales accomplished above, what test would validate if they met their requirements?

Options:
A.

F Test

B.

Test for Equal Variance

C.

Chi Square Test

D.

One-Sample t-Test

Questions 77

SPC Charts are used extensively in different business and decision-making environments. In this example a vendor is being selected based on speed of delivery. Which of the conclusions would help you pick a vendor for your needs regarding lead-time of delivery from your vendors? (Note: There are 4 correct answers).

ICBB Question 77

Options:
A.

Vendor A with a much shorter lead time in delivery

B.

Vendor B as it has a better consistency (lower variance) on lead time

C.

Vendor B since Vendor A shows a situation out of control as shown in red

D.

Vendor B since the Control Limits are much narrower than Vendor A

E.

Vendor B has higher lead time, but a process with much narrower Control Limits

Questions 78

Time is always the metric on the horizontal scale of a(n) ___________ Chart.

Options:
A.

Pareto

B.

Xbar

C.

Multi-Vari

D.

NP

Questions 79

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

ICBB Question 79

Options:
A.

The dependent variable is the outside temperature

B.

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

C.

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

D.

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

E.

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

Questions 80

When doing Hypothesis Testing on Non-normal data Belts will use a ________________ to compare more than two sample proportions to each other.

Options:
A.

Z score Table

B.

Sakami Table

C.

Mean-to-Mode Analysis

D.

Contingency Table

Exam Code: ICBB
Certification Provider: IASSC
Exam Name: IASSC Lean Six Sigma – Black Belt
Last Update: Feb 8, 2025
Questions: 300

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