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  2. Kaplan, Inc. - Wikipedia

    en.wikipedia.org/wiki/Kaplan,_Inc.

    Kaplan, Inc. Kaplan, Inc. is an international educational services company that provides educational and training services to colleges, universities, businesses and individuals around the world. Founded in 1938 by Stanley Kaplan, [2] the company offers a variety of test preparation, certifications, and student support services. [1]

  3. Logrank test - Wikipedia

    en.wikipedia.org/wiki/Logrank_test

    The logrank test, or log-rank test, is a hypothesis test to compare the survival distributions of two samples. It is a nonparametric test and appropriate to use when the data are right skewed and censored (technically, the censoring must be non-informative). It is widely used in clinical trials to establish the efficacy of a new treatment in ...

  4. Kaplan–Meier estimator - Wikipedia

    en.wikipedia.org/wiki/Kaplan–Meier_estimator

    The Kaplan–Meier estimator, [1][2] also known as the product limit estimator, is a non-parametric statistic used to estimate the survival function from lifetime data. In medical research, it is often used to measure the fraction of patients living for a certain amount of time after treatment. In other fields, Kaplan–Meier estimators may be ...

  5. Kaplan Test Prep Survey: Business Schools' Opinion of new ...

    www.aol.com/2012/10/24/kaplan-test-prep-survey...

    Kaplan Test Prep Survey: Business Schools' Opinion of new GMAT Integrated Reasoning Section Slips; Uncertainty Remains as Applicants Prepare to Submit First Round of Scores NEW YORK--(BUSINESS ...

  6. Stanley Kaplan - Wikipedia

    en.wikipedia.org/wiki/Stanley_Kaplan

    Test preparation tutor and entrepreneur. Known for. Founder of Kaplan, Inc. Spouse. Rita Gwirtzman Kaplan. Relatives. Scott Belsky [2] Stanley Henry Kaplan (May 24, 1919 – August 23, 2009) was an American businessman and scholastic test preparation pioneer who founded Kaplan, Inc., in 1938. [3]

  7. Delis–Kaplan Executive Function System - Wikipedia

    en.wikipedia.org/wiki/Delis–Kaplan_Executive...

    The Delis–Kaplan Executive Function System (D-KEFS) is a neuropsychological test used to measure a variety of verbal and nonverbal executive functions for both children and adults (ages 8–89 years). This assessment was developed over the span of a decade by Dean Delis, Edith Kaplan, and Joel Kramer, and it was published in 2001. The D-KEFS ...

  8. Kaplan University - Wikipedia

    en.wikipedia.org/wiki/Kaplan_University

    Kaplan University (KU) was a private online for-profit university owned by Kaplan, Inc., a subsidiary of Graham Holdings Company. It was predominantly a distance learning institution, maintaining 14 ground locations across the United States. The university was named in honor of Stanley H. Kaplan, [3] who founded Kaplan Test Prep. [4]

  9. Kaplan IT Training - Wikipedia

    en.wikipedia.org/wiki/Kaplan_IT_Training

    Transcender was established in 1992, shortly after Microsoft Corporation introduced its certification program. [1] In December 2003, Transcender joined Kaplan IT Learning and became a division of Kaplan, Inc. Kaplan is a wholly owned subsidiary of Graham Holdings Company (NYSE: GHC), formerly known as The Washington Post Company, and is a provider of online higher education, K-12 services, and ...

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