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Modified title of Web site: OpenStax - Introductory Statistics 2e - Mean or Expected Value and Standard Deviation. |
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Dec 11, 2024 |
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Add new Web site: The Open University - OpenLearn - The standard deviation. |
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Oct 21, 2024 |
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Add new Web site: British Medical Journal - Mean and standard deviation. |
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Sep 09, 2024 |
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Add new Web site: UMass Amherst Libraries - Open Books - Physics 132 Lab Manual - The Normal Distribution and Standard Deviation. |
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Sep 09, 2024 |
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Add new Web site: OpenStax - Introductory Statistics 2e - Mean or Expected Value and Standard Deviation. |
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Jul 29, 2024 |
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Add new Web site: Newcastle University - Variance and Standard Deviation. |
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Jun 21, 2024 |
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Add new Web site: National Center for Biotechnology Information - Standard Deviation. |
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Apr 17, 2024 |
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Add new Web site: Corporate Finance Institiute - Standard Deviation. |
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Dec 25, 2023 |
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Add new Web site: Khan Academy - Calculating standard deviation step by step. |
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Sep 08, 2023 |
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Add new Web site: Statistics Canada - Calculating the variance and standard deviation. |
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Jun 21, 2023 |
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Add new Web site: Story of Mathematics - The Standard Deviation. |
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Mar 27, 2023 |
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Add new Web site: Statistics LibreTexts - Introduction to Standard Deviations and Calculations. |
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Jan 05, 2023 |
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Add new Web site: Investopedia - Standard Deviation calculation. |
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Aug 17, 2022 |
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Add new Web site: Math is Fun - Standard Deviation and Variance. |
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May 31, 2018 |
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Add new Web site: Wolfram MathWorld - Standard Deviation. |
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Aug 23, 2011 |
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Added new Web site: Maths Is Fun - Probability. |
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Apr 17, 2008 |
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Article revised. |
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Jun 16, 2005 |
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Article added to new online database. |
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Jul 20, 1998 |
