This table shows that the chance of Institution F having ended up with seven or eight of the eight (++++) samples is (0.1174 + 0.0248) = 0.1422, or about 1/7. Therefore, while the observed data showing that seven of the eight (++++) samples appeared in Institution F is not completely typical, it also could hardly be considered extreme.
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Appendix C: Committee Evaluation of Statistical Analysis Report ."
Review of the Scientific Approaches Used During the FBI's Investigation of the 2001 Anthrax Letters . Washington, DC: The National Academies Press,
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As of 2013, the National Science Education Standards have been replaced by the Next Generation Science Standards (NGSS), available as a print book, free PDF download, and online with our OpenBook platform.
The NGSS offer a detailed description of the key scientific ideas and practices that all students should learn by the time they graduate from high school. The standards are based largely on the 2011 National Research Council report A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas.