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For example, if animals believed the interval would be short, and were given an interval of 800 milliseconds, the interval they produced was a little shorter than 800 milliseconds. 1. Conversely, if they believed it would be longer, and were given the same 800-millisecond interval, they produced an interval a bit longer than 800 milliseconds. Intel: One of the leaders in innovative computer technology, Intel, has demonstrated their commitment to STEM. In this section we will study a new object E[XjY] that is a random variable. Here is a sample. Solution: To start the EM algorithm, we first need to specify the missing data and the complete data. •It is MUCH easier to start in STEM and move into a field If we consider E[XjY = y], it is a number that depends on y. We start with an example. Intuitively, the estimated θ should be the sample mean of the m observations θb= 1 m Pm i=1 Yi. Then, create an anchor chart. •Look at Fibonacci Numbers or Fractals! So it is a function of y. •It seeks truth and proof. When we talk about STEM skills, we’re talking about the individual skills needed to do science, mathematics, and engineering, and those needed to use technology effectively. For example, in science you learn ways to increase or reduce friction on a surface to make objects moving across that surface move faster or slower. SUGGESTED ACADEMIC TRACK – SCIENCE, TECHNOLOGY, ENGINEERING AND MATHEMATICS (STEM) STRAND SCHEDULING OF SUBJECTS* STEM Grade 11 Grade 12 1st Semester 2nd Semester 1st Semester 2nd Semester S Oral Communication in Context Reading and Writing Skills 21st Century Literature from the STEM Skills for the Future The success of the nation as we move through the 21st century continues to depend on ideas and skills. Increasingly, the influence of technology and the availability of information will shape those ideas and skills, resting in large part on how well we address science, technology, engineering, and mathematics in our K–12 education. In Why STEM is important STEM is exciting and beautiful on its own. Example: Roll a die until we get a 6. As a prime example of a company completely centered around STEM, Intel represents one of many industries who’s prosperity, and therefore the prosperity of our country, relies on future generations’ interest in these fields. •You discover the (physical) world around you. Students will go home excited about STEM! You definitely want to put some thought ahead of time into what your expectations for your students are. •It requires creativity. However, in this example we would like to derive the EM algorithm and see if the EM algorithm would match with our intuition. •The fields are always changing, and interacting. STEM ac tivities are examples o f co nstructivist approaches’ applications i n education a nd because of its nat ure STEM education is student-centered (B ransford, Brown & Cockin g, 20 00). As a Grade 11 student enrolled in STEM (Science, Technology, Engineering and Mathematics), I felt lucky to have found the strand that I’m really comfortable with. Introduce Expectations. A.2 Conditional expectation as a Random Variable Conditional expectations such as E[XjY = 2] or E[XjY = 5] are numbers. STEM stands for science, technology, engineering, and mathematics and is a term used to group these disciplines, which proves relevant when discussing educational policies, curricula, career prospects, etc. College students in STEM (science, technology, engineering, mathematics) disciplines are increasingly faced with highly competitive and demanding degree programs and are at risk of academic overconfidence. 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