So it is a function of y. Introduce Expectations. Intel: One of the leaders in innovative computer technology, Intel, has demonstrated their commitment to STEM. 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. If we consider E[XjY = y], it is a number that depends on y. •It is MUCH easier to start in STEM and move into a field You definitely want to put some thought ahead of time into what your expectations for your students are. We start with an example. A.2 Conditional expectation as a Random Variable Conditional expectations such as E[XjY = 2] or E[XjY = 5] are numbers. 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. 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. •The fields are always changing, and interacting. 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. Why STEM is important STEM is exciting and beautiful on its own. Make it with your students, and make it big so you can hang it up and refer back to it through the year. •Look at Fibonacci Numbers or Fractals! 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. Here is a sample. 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. However, in this example we would like to derive the EM algorithm and see if the EM algorithm would match with our intuition. 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). Students will go home excited about STEM! STEM Skills for the Future The success of the nation as we move through the 21st century continues to depend on ideas and skills. 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. In this section we will study a new object E[XjY] that is a random variable. 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. Solution: To start the EM algorithm, we ﬁrst need to specify the missing data and the complete data. Intuitively, the estimated θ should be the sample mean of the m observations θb= 1 m Pm i=1 Yi. 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 •It requires creativity. •You discover the (physical) world around you. In 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. Example: Roll a die until we get a 6. 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