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Six Sigma Green Belt Test (20 Questions)
Test your knowledge for fun!
1
. Measurement accuracy is attained when...
Different people get the same result when measuring the same item or characteristic.
The same person taking multiple measurements on the same item or characteristic gets the same results every time.
The measured value has little deviation from the actual value.
When the resolution of the measurement instrument can give at least 5 distinct values in the range being measured.
2
. In a normal distribution 68% of the data will occur within...
+/- 2 standard deviations
+/- 1 standard deviation
+/- 3 standard deviations
Outside the bell-shaped curve
3
. The Risk Priority Number (RPN) in an FMEA exercise is derived from...
severity x occurrence x risk
severity x risk x detection
occurrence x detection x control
severity x occurrence x detection
4
. The Voice of the Customer
The number of errors in the process
A control chart with control limits
The department's output target
The customer's specification limits
5
. A planning method designed to show the tasks associated with a project, the personnel responsible for completing the tasks and the timelines allowed
Pareto chart
Gantt chart
Microsoft Project
Check sheet
6
. A bar chart that depicts the frequencies of numerical or measurement data
Sample
Histogram
Check Sheet
Process Map
7
. SIPOC
Suppliers, Inputs, Procedure, Outputs, Customers
Simple, Inputs, Process, Outputs, Complex
Simple, Inputs, Procedure, Outputs, Complex
Suppliers, Inputs, Process, Outputs, Customers
8
. An improvement process in which a company measures its performance against that of best-in-class companies, determines how those companies achieved their performance levels, and uses the information to improve its own performance
Control Chart
Six Sigma
Benchmarking
Cause and Effect Diagram
9
. A control limit
Indicates the boundary of the bell curve in a normal distribution
Indicates that a process event or measurement is likely to fall within that limit
Indicates that a process event or measurement is likely to fall outside that limit
Indicates the customer's desired upper or lower performance limits
10
. For a set of data, the average squared deviation from the mean, with a denominator of n-1
Sample Variance
Normal Distribution
Sample
Population
11
. Provides relationship between two variables, and provides a visual correlation coefficient
Scatter Diagram
Cause and effect chart
Box plot
Trend line
12
. The objective of Design of Experiments (DOE) is to
Map all process steps and determine their average duration
Establish optimal process performance by finding the right settings for key process input variables
Establish the best graphing method to illustrate process performance
Determine the mean and standard deviation of a population
13
. A six sigma capable process will have
Cp = 1.5, Cpk = 2.0 and DPMO = 3.4
Cp = 2.0, Cpk = 1.5 and DPMO = 6
Cp = 1.5 Cpk = 2.0 and DPMO = 6
Cp = 2.0, Cpk = 1.5 and DPMO = 3.4
14
. A pictorial diagram showing possible causes (process inputs) for a given effect (process outputs) It is also referred to as the "Ishikawa diagram" or "fishbone diagram "
Standard Deviation
Cause and Effect Diagram
Random Experiment
Scatter Diagram
15
. When the mean of the process is outside the customer specification limits the value of Cpk will be:
2.0
0.5
1.0
Negative
16
. Six sigma black belt responsibilities include all of the following, except:
Selecting projects for execution by green belts
Mentoring green belts
Training organisation staff in six sigma techniques and team work
Planning the sales and marketing strategy
17
. The middle value of a data set when the values are arranged in either ascending or descending order
Median
Mode
Mean
Discrete Data
18
. One of the most common measures of variability in a data set or population
Process capability
Specification limits
Mean
Standard Deviation
19
. A sequence of 3 operations has first pass yield (right first time) rates as follows: 93%, 87% and 92%. The first pass yield rate is:
72%
74%
99%
87%
20
. The following are indicators of out of control conditions on a control chart, except
Six consecutive points, increasing or decreasing
Fourteen consecutive points that alternate up and down
Two points in zone c above the mean, followed by two points in zone b below the mean
One or more points outside the control limits
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