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  2. 3 Sigma vs. 6 Sigma | Methods, Percentages & Examples

    study.com/academy/lesson/six-sigma-vs-three-sigma.html

    For a million opportunities, sigma level 1 creates 691,462 defects or errors, with a productivity rate of 30.85. For those same opportunities, 3 sigma creates 66,807 defects and a 3 sigma ...

  3. Sigma Notation | Rules, Formulas & Examples - Lesson - Study.com

    study.com/academy/lesson/sigma-notation-rules-formulas...

    Learning to write things using sigma notation can be difficult - but it is a skill that comes in handy in future mathematics courses, including calculus. 1. Start by substituting in x=1, x=2, x=3 ...

  4. Sample Size Calculation | Factors, Steps & Formulas

    study.com/academy/lesson/how-to-determine-sample-size.html

    There are many formulas used for calculating sample size. One of the most common formulas used is Yamane's formula: n = N/ (1+N (e)2. The variables in this formula are: n = the sample size. N ...

  5. Perception in Communication | Influence, Role & Ways to Improve -...

    study.com/academy/lesson/how-perception-influences-the...

    The act of selecting, organizing, and interpreting information is what is referred to as perception in communication. This process influences our ability to communicate since our responses to ...

  6. Standard Deviation Equation, Formula & Examples - Lesson -...

    study.com/academy/lesson/data-analysis-standard-deviation.html

    The symbol {eq}\sigma^2 {/eq}, (read "sigma squared") is the standard notation for variance. Standard Deviation Formula Finally, to find the standard deviation, simply take the square root of the ...

  7. Ethics, Morals & Values | Definition, Examples & Differences

    study.com/academy/lesson/what-are-values-morals-ethics.html

    Morals are usually a set of belief systems that are imposed socially, while values are more individualistic in nature. Some values are - personal values, work value, and, aesthetic value. Some ...

  8. Skewed Distribution | Definition, Types & Examples - Study.com

    study.com/academy/lesson/skewed-distribution-examples...

    Where sigma, {eq}\sigma {/eq}, is the standard deviation. Examples of Skewed Distributions. Using the cats' weights from the Meowster Cat Rescue, the skewness can be recalculated using Pearson's ...

  9. Double Bond | Overview, Definition & Examples - Lesson -...

    study.com/academy/lesson/double-bond-definition-formation...

    When two sp orbitals are engaged in bonding it is called a sigma bond. Double bonds are made of one pi bond and one sigma bond. Examples of compounds with double bonds include oxygen gas, carbon ...

  10. HSPT Study Guide and Test Prep

    study.com/academy/course/hspt-test-practice-study-guide.html

    Study.com's HSPT test prep offers video lessons and practice quizzes. Prepare effectively and confidently with detailed coverage of high school subjects for students entering grade 9.

  11. Operating Characteristic Curve | OC Curve Overview & Usage

    study.com/academy/lesson/operating-characteristic-oc-curve...

    The operating characteristic (OC) curve is a graphical illustration that indicates the probability of acceptance of the production batch versus the percentage of defective units. As shown in the ...