Journal of The Japanese Society for Quality Control

Online ISSN : 2432-1044
Print ISSN : 0386-8230

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Volume 16, Issue 4

Displaying 1-13 of 13 articles from this issue

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Contributed Paper

Estimation of a paramenter of mixng index in beta-binomial model

Tadashi YOSHIZAWA, Hisakazu SHINDO, Kenichi SHIMURA, Osamu NAKANO

Article type: Contributed Paper
1986Volume 16Issue 4 Pages 302-310
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_302

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The efficiency of four estimators including m. l. estimator and moment estimator, for a parameter of mixing index in beta-binomial model is compared. The asymptotic variance of m. l. estimator is shown to be approximated with the minimum variance in a class of unbiased estimators, which are constituted with polynomials of second order. Appropriate combinations of sample size (n) and number of samples (r) are suggested for spot-sampling plan.

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A Simplified Design Procedure for Life Testing -Design of Fixed Number Testing and Fixed Time Testing Based on the Kullback-Leibler information

Ikuo ARIZONO, Hiroshi OHTA

Article type: Contributed Paper
1986Volume 16Issue 4 Pages 311-318
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_311

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This paper describes a new and simple design procedure for life testing based on the Kullback-Leibler (hereafter K-L) information. Information theory is a special branch of probability theory. The K-L information is utilized as a criterion for measurement of the distance between the observed and the model probability distributions. In this paper we make the assumption that the length of life has a Weibull distribution. In the reliability literatures, the Weibull distribution is a popular parametic family of life-time distributyion. In the fixed time testing, it is attempted to determine the optimum censored time from the economic viewpoint.

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Features

Application of Graphic Methods

Yasuo OHHASHI

Article type: Features 〔Application of Graphic Methods〕
1986Volume 16Issue 4 Pages 319-
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_319

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Quality Requirements of Data Graphics

Tadashi YOSHIZAWA

Article type: Features 〔Application of Graphic Methods〕
Subject area: Article
1986Volume 16Issue 4 Pages 320-324
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_320

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Graphical Representation of Multivariate Data-Outline and Utility of the Representation

Kazumasa WAKIMOTO

Article type: Features 〔Application of Graphic Methods〕
Subject area: Tutorial
1986Volume 16Issue 4 Pages 325-333
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_325

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Graphical Display EDA

Kenichi SHIMURA

Article type: Features 〔Application of Graphic Methods〕
Subject area: Tutorial
1986Volume 16Issue 4 Pages 334-340
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_334

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On Graphical Representation Methods for Sensory Data

Yasumasa BABA

Article type: Features 〔Application of Graphic Methods〕
Subject area: Tutorial
1986Volume 16Issue 4 Pages 341-345
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_341

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Use of Color Imaging in Automatic Classification

Noboru OHSUMI

Article type: Features 〔Application of Graphic Methods〕
Subject area: Tutorial
1986Volume 16Issue 4 Pages 346-354
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_346

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Some Graphical Methods for Analyzing Data in Statistical Quality Control Applications

Robert N. Rodriguez, Yasuo OHHASHI

Article type: Features 〔Application of Graphic Methods〕
Subject area: Tutorial
1986Volume 16Issue 4 Pages 355-365
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_355

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Graphical Representations in Quality Control on Micro Computer

Shigeru ISHIKAWA, Tsugihiro SHU

Article type: Features 〔Application of Graphic Methods〕
Subject area: Tutorial
1986Volume 16Issue 4 Pages 366-373
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_366

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Case Method

Same Examples of Graphical Presentation of Business and Economic Data

Michimori INORI

Article type: Case Method
Subject area: Case Method
1986Volume 16Issue 4 Pages 374-378
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_374

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Case Method

An Application of Box Plot for Control Chart

Shigeyuki NAKAYAMA

Article type: Case Method
Subject area: Case Method
1986Volume 16Issue 4 Pages 379-384
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_379

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Material

Result of Questionnaire for “Quality”

[in Japanese]

Article type: Material
1986Volume 16Issue 4 Pages 410-413
Published: October 05, 1986
Released on J-STAGE: March 01, 2019

DOIhttps://doi.org/10.20684/quality.16.4_410

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