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QI Macros Announces Levene's Test for Excel

Denver, Colorado 12/8/2009 7:45:00 PM

The QI Macros SPC Software for Excel announces the addition of Levene's Test of variance in normal and non-normal data. One of the keys to Six Sigma in manufacturing and service industries is the reduction of variation. To do this, employees compare two or more methods, machines or materials to find the optimum. While the standard statistical F-test can evaluate differences in variability between two samples of normal (i.e., "bell shaped") data, Levene's test can evaluate variation across two or more samples of non-normal data. What is an example of non-normal data? Skewed (i.e., leaning) data like customer wait times in a bank: most are close to a minute or less, but a few may take 25 minutes or more.

The QI Macros SPC Software works in Excel 97-2007 and is available for immediate download. The QI Macros have been simplifying process improvement and Lean Six Sigma for tens of thousands of customers since 1996.  Thousands of hospitals use the QI Macros to improve clinical outcomes and patient flow. Thousands of businesses ranging from automotive suppliers to state and Federal government use the QI Macros to help reduce costs and boost productivity and profitability.

The QI Macros are the “Swiss Army Knife” of tools for companies embracing Lean Six Sigma which combines the speed and quality of the Toyota Production System (TPS). The QI Macros are an addin for Microsoft Excel that does the math and draws the graphs required for SPC—Statistical Process Control. It also includes fill-in-the-blank templates for more exotic Six Sigma tools like Design of Experiments (DOE) and Quality Function Deployment (QFD)—two key elements of Design for Six Sigma.

Readers can download a free, 30-day evaluation copy and user guide at www.qimacros.com/freestuff.html. They can also signup for our free Lean Six Sigma Lessons on line and webinars. The QI Macros SPC Software contains 30+ charts and over 80+ fill-in-the-blank templates for simplifying the complexities of Lean Six Sigma. And at only $139 +S&H, they are the least expensive, most robust solution available on the market

 

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QI Macros Exhibiting at 17th Annual Lean Six Sigma World Conference April 3-4

KnowWare International Inc., developers of QI Macros® for Excel, will showcase the software at the Lean & Six Sigma World Conference on April 3 – 4, 2018. QI Macros® for Excel works in Excel 2007-2016 and has been simplifying process improvement ...

Released On: 3/15/2018
Views: 2402

QI Macros® Exhibits at IHI National Forum in Orlando

KnowWare International Inc., developer of QI Macros for Excel, will attend the 29th annual IHI (Institute for Healthcare Improvement) National Forum on Quality Improvement in Health Care. The event will take place in Orlando, Florida on December ...

Released On: 11/21/2017
Views: 4234

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QI Macros® Awards 100th Free Lean Six Sigma Yellow Belt Certification for Veterans

KnowWare International, Inc has awarded the 100th Lean Six Sigma Yellow Belt Certification in a program offered to veterans free of charge.

Released On: 10/23/2017
Views: 3714

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QI Macros® Celebrates World Quality Day

QI Macros software supports World Quality Day Thursday, November 9th, 2017. and the efforts of everyday leaders who strive to make continuous improvement.

Released On: 10/23/2017
Views: 3509

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QI Macros for Excel Exhibiting at The Quality Show: October 24 - 26, 2017

KnowWare International Inc., developers of QI Macros® for Excel, will showcase the product at The Quality Show in Rosemont, Illinois on October 24 - 26 2017, Booth# 1611.

Released On: 10/5/2017
Views: 2719

QI Macros for Excel Exhibiting at the AME Conference, October 9 - 12, 2017

KnowWare International Inc., developers of QI Macros® for Excel, will showcase the product at the AME Conference in Boston, Massachusetts on October 9 - 12, 2017, Booth# 304.

Released On: 9/26/2017
Views: 2512

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QI Macros® Exhibits at NAHQ Annual Conference in Cincinnati

KnowWare International Inc., developer of QI Macros for Excel, will attend the NAHQ Annual Conference. The event will take place in Cincinnati, Ohio on September 18th - 19th. Please come visit us at Booth# 302.

Released On: 9/13/2017
Views: 4070

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QI Macros for Excel Exhibiting at IISE Annual Conference & Expo, May 21-23, 2017

KnowWare International Inc., developers of QI Macros® for Excel, will showcase the product at the Institute of Industrial and Systems Engineers Annual Conference & Expo in Pittsburgh, Pennsylvania on May 22-23, 2017, Booth# 109

Released On: 5/4/2017
Views: 3905

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QI Macros for Excel Exhibiting at ASQ World Conference, April 30 – May 2, 2017

KnowWare International Inc., developers of QI Macros® for Excel, will showcase the product at the ASQ World Conference in Charlotte, North Carolina on April 30 – May 2, 2017, Booth# 113.

Released On: 4/13/2017
Views: 2499

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QI Macros Exhibiting at Shingo Conference April 25 - 27

KnowWare International Inc., developers of QI Macros® for Excel, will showcase the product at the Shingo Conference on April 25 – 27, 2017. This Conference will be held at the Atlanta Marriott Marquis in Atlanta, Georgia.

Released On: 4/12/2017
Views: 2455

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QI Macros Exhibiting at Lean & Six Sigma World Conference March 29-30

QI Macros® for Excel will be showcased at the Lean & Six Sigma World Conference on March 29–30, 2017. This Conference will be held at the Gaylord Opryland Resort in Nashville, Tennessee.

Released On: 3/10/2017
Views: 3908

QI Macros Exhibiting at ASQ Lean And Six Sigma Conference February 27 - 28

KnowWare International Inc., developers of QI Macros® for Excel, will showcase the product at the ASQ Lean And Six Sigma Conference on February 27 – 28, 2017.

Released On: 2/15/2017
Views: 2625

Announcing QI Macros® for Excel Data Mining Wizard 2.0

KnowWare International Inc. announces a new feature in QI Macros for Excel: Data Mining Wizard 2.0.

Released On: 1/31/2017
Views: 4544

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KnowWare International Celebrates 20th Anniversary of QI Macros® for Excel

Jay Arthur, President and founder of KnowWare International and developer of QI Macros for Excel, is proud to announce its 20th anniversary in 2017.

Released On: 1/18/2017
Views: 3377

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QI Macros® Exhibits at IHI National Forum in Orlando

KnowWare International Inc., developer of QI Macros for Excel, will attend the 28 th annual IHI (Institute for Healthcare Improvement) National Forum on Quality Improvement in Health Care. The event will take place in Orlando, Florida on December ...

Released On: 12/1/2016
Views: 3911

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QI Macros® Celebrates World Quality Month

KnowWare International Inc. is celebrating World Quality Month during the month of November.

Released On: 11/1/2016
Views: 2821

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Announcing Lean Six Sigma for Hospitals, 2nd Edition

Jay Arthur’s new book, Lean Six Sigma for Hospitals: Improving Patient Safety, Patient Flow and the Bottom Line, Second Edition 2nd Edition (McGraw-Hill), debuted in August, 2016.

Released On: 10/20/2016
Views: 2896

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Jay Arthur to Speak at ASQ Audit Conference

Jay Arthur, owner/CEO of KnowWare International and a Lean Six Sigma expert, will speak at the American Society for Quality (ASQ) Audit Division Conference 2016. This year’s conference will be held at the Peabody Hotel in Memphis, TN. October 20-21.

Released On: 10/19/2016
Views: 4401

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KnowWare International, Inc.

  • 2696 S Colorado Blvd
    Denver, CO 80222
    United States
  • 303-756-9144