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IASSC
Examination Reference Document
Version: 1.3.0
Publish Date: 12.12.2010
Confidential Copyright © 2010-2017, International Association For Six Sigma Certification, LLC
Table of Contents
Formulas
Descriptive Statistics............................................................................................. 2 - 3
Hypothesis Testing................................................................................................ 4 - 6
Regression............................................................................................................ 7
Capability Indices................................................................................................. 8
Control Charts...................................................................................................... 9 - 11
Statistical Tables
Z Table....................................................................................................................... 12
T Table....................................................................................................................... 13
F Distribution Table.............................................................................................. 14 -15
Chi-Squared Distribution Table ........................................................................... 16 - 17
Descriptive Statistics
Calculation Formula Notes
Population Mean
Sample Mean
Weighted Mean
Sample Mean of grouped data
Range Range = highest - lowest
Mean Deviation
Population Variance !
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Calculation Formula Notes
Population Standard Deviation
Sample Variance
Sample Standard Deviation
none!
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Hypothesis Testing
Calculation Formula Notes
2 Sample T
(Unequal Variance)
S2 1 = Standard Deviation of the Sample One N1 = Sample, number one S2 2 = Standard Deviation of the Sample Two N2 = Sample, number two X1 = Average of Sample One X2 = Average of Sample Two
2t Test of Means
(separate s)
2t Test of Means
(pooled s)
2Z Test of Means
(Equal Variance)
AOV Sum of Squares Correction
Factor
AOV Sum of Squares Total
AOV Sum of Squares Total
(Calculator)
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Chi Squared
(Variance, not Proportions)
F Statistic
(Variances)
Interval for Proportions
Paired t Test
Pooled Variance
Single Sample Test
of Proportions
Single Sample
(Compare to Standard)
Sum of Squares
(Equal n)
Calculation Formula Notes
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Sum of Squares
(Unequal n)
Sum of Squares Treatments
Two Sample Test
of Proportions
Variance
Calculation Formula Notes
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Regression
Calculation Formula Notes
Correlation Coefficient
Linear Regression
Multiple Regression
Multiple Standard Error
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Capability Indices
Calculation Formula Notes
Confidence Interval for Cpk
Cpk Attribute Data
Process Capability
Process Centering
(Short Term 1)
Process Centering
(Short Term 2)
Sigma of Cpk
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Control Charts
Calculation Formula Notes
c Chart
(Fixed n1)
c Chart
(Fixed n2)
Control Limits for np
np Chart
(Fixed n)
p Chart
(Average Sample Size)
p Chart
(n can vary, Control Limits for
Proportions)
p Chart
(n can vary, Mean Percent Defects)
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u Chart
(n can vary, Mean Percentage Defectives)
u Chart
(Average Sample Size)
u Chart
(n can vary, Control Limits for
Proportions)
X and R Charts
(Grand Mean)
X and R Charts
(Control Limits for the Mean)
X and R Charts
(Control Limits for the Range)
X and R Charts
(Range Target)
Calculation Formula Notes
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X and S Charts
(Control Limits for the Mean)
X and S Charts
(Grand Mean)
X and S Charts
(Grand Mean)
X and S Charts
(Control Limits for the Range)
Calculation Formula Notes
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Z Table
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T Table
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F Distribution (Table 1)
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F Distribution (Table 2)
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Chi- Squared Distribution (Table 1)
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Chi- Squared Distribution (Table 2)
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