Calculate Linear Regression and Graph Scatter Plot and Line of Best Fit What is simple linear regression? Simple linear regression is a way to describe a relationship between two variables through an equation of a straight line, called line of best fit, that most closely models this relationship. A common form of a linear equation in the two variables x and y isy=mx+b where m and b designate constants. Given any set of n data points in the form (x_i, y_i), according to this method of minimizing the sum of square errors, the line of best fit is obtained whenm\sum_{i=1}^{n} x_i+bn=\sum_{i=1}^{n} y_im\sum_{i=1}^{n} x_i^2+b\sum_{i=1}^{n} x_i=\sum_{i=1}^{n} x_iy_i where the summations are taken over the entire data set. From the normal equations above, we can find the expressions for the unknown coefficients m and b. intercept b,b = \frac{\sum_{i=1}^{n} y_i - b\sum_{i=1}^{n} x_i}{n} where the summations are again taken over the entire data set Online Tool to Calculate Linear Regression and Graph Scatter Plot and Line of Best Fit The Standard Deviation

Math Games - HOODA MATH - over 100 Math Games Learn Code the Hard Way Home Page LivePhysics NASA: Practical Uses of Math And Science (PUMAS) Wonder How To » Fresh Hacks For a Changing World 9 Terrific STEM Teaching Resources Every now and then, we get an unexpected surprise from someone as interested in supporting teachers and students as we are. When this happens, it usually means someone has gone out of their way to research and produce a valuable list of incredible online resources for use in education, and done a great job of doing so. I’m happy to say it’s happened yet again. We recently received a list of STEM (Science, Technology, Engineering & Mathematics) links from Jasmine Dyoco at EducatorLabs. The following list of STEM resources Jasmine wants to share with you is just 9 of many, so we urge you to explore more if you like. The 10 Best STEM Calculators for Kids: Making STEM More STEM Resources from STEMCollaborative. NSTA: Freebies for Science

Create Animated Videos for your Business Coping With Math Anxiety What Is Math Anxiety? A famous stage actress was once asked if she had ever suffered from stage-fright, and if so how she had gotten over it. She laughed at the interviewer’s naive assumption that, since she was an accomplished actress now, she must not feel that kind of anxiety. Like stage fright, math anxiety can be a disabling condition, causing humiliation, resentment, and even panic. When I look at a math problem, my mind goes completely blank. What all of these students are expressing is math anxiety, a feeling of intense frustration or helplessness about one’s ability to do math. In this essay we will take a constructive look at math anxiety, its causes, its effects, and at how you as a student can learn to manage this anxiety so that it no longer hinders your study of mathematics. Let us begin by examining some social attitudes towards mathematics that are especially relevant. Contributors Wendy Hageman Smith, authorB. Citation Info [MLA] Hageman Smith, Wendy, B.

Instructables - DIY How To Make Instructions STEM Resources Welcome to the STEM page, sponsored by YALSA's STEM Task Force. We hope you will use this wiki page to get ideas on how to effectively integrate STEM into your library programs and services. And what is STEM you ask? STEM stands for Science, Technology, Engineering, and Math and is one of the hottest topics in education and library circles. STEM programming is one way to engage teens in your library and encourage learning and exploration in new ways. We think this page is a good start on STEM resources, but we need your help to make it great. BUILDING GREAT STEM LIBRARY COLLECTIONS[edit] Carnegie Library of Pittsburgh: An extensive collection of STEM subject and career educational resources. The National Science Teachers Association: Annual best books lists, Outstanding Science Trade Books for Students K–12, going back to 1996. YALSA’s blog, The Hub: A recent post on SciFi for Everyone. Locus Magazine: Recommended Reading List 2011. VOYA: Nonfiction Honor List. YOUNG ADULT NON-FICTION[edit]

untitled The GNU operating system is a complete free software system, upward-compatible with Unix. GNU stands for “GNU's Not Unix”. Richard Stallman made the Initial Announcement of the GNU Project in September 1983. A longer version called the GNU Manifesto was published in March 1985. It has been translated into several other languages. The name “GNU” was chosen because it met a few requirements; first, it was a recursive acronym for “GNU's Not Unix”, second, because it was a real word, and third, it was fun to say (or Sing). The word “free” in “free software” pertains to freedom, not price. The project to develop the GNU system is called the “GNU Project”. In 1971, when Richard Stallman started his career at MIT, he worked in a group which used free software exclusively. By the 1980s, almost all software was proprietary, which means that it had owners who forbid and prevent cooperation by users. By 1990 we had either found or written all the major components except one—the kernel.

CME Project | CME Project About the Program. The CME Project, developed by EDC’s Center for Mathematics Education and published by Pearson, is a coherent, four-year, NSF-funded high school mathematics program designed around how knowledge is organized and generated within mathematics: the themes of algebra, geometry, and analysis. The CME Project sees these branches of mathematics not only as compartments for certain kinds of results, but also as descriptors for methods and approaches—the habits of mind that determine how knowledge is organized and generated within mathematics itself. As such, they deserve to be centerpieces of a curriculum, not its by-products. The Program’s Structure. The CME Project uses the traditional American structure of algebra, geometry, advanced algebra, and precalculus. Core Principles. Habits of mind. Research on CME Project.