Professor Mumford mumford@purdue.edu Econ 360 - Fall 2012 Problem Set 1 Answers True/False (30 points) 1. FALSE If (ai ‚ bi ) : i = 1‚ 2‚ . . . ‚ n and (xi ‚ yi ) : i = 1‚ 2‚ · · · ‚ n are sets of n pairs of numbers‚ then: n n n (ai xi + bi yi ) = i=1 i=1 ai x i + i=1 bi yi 2. FALSE If xi : i = 1‚ 2‚ . . . ‚ n is a set of n numbers‚ then: n n n n n (xi − x) = ¯ i=1 n i=1 2 x2 i − 2¯ x i=1 xi + i=1 x = ¯ i=1 2 x2 − n¯2 x i where x = ¯ 1 n i=1 xi 3. TRUE If xi : i = 1‚ 2‚ . .
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6/28/2012 Number Systems Chapt. 2 Common Number Systems System Base Symbols b l Used by humans? Used in computers? Decimal 10 0‚ 1‚ … 9 Yes No Binary 2 0‚ 1 No Yes Octal 8 0‚ 1‚ … 7 No No Hexadecimal 16 0‚ 1‚ … 9‚ ‚ ‚ ‚ A‚ B‚ … F No No 1 6/28/2012 Quantities/Counting (1 of 3) Decimal 0 1 2 3 4 5 6 7 Binary 0 1 10 11 100 101 110 111 HexaOctal decimal 0 0 1 1 2 2 3 3 4 4
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Works Cited Bey‚ Amani. "Methods." Personal interview. 28 Jan. 2013. I interview Amani because she is a teenager guided by mentorship. She revealed to me how being mentored by positive‚ loving‚ and caring people has changed who she is as a person. She said “I see a big change in myself. It’s like my whole life I’ve been so angry and upset‚ and it was all because I was being misguided and I didn’t have the chance to become who I am now.” This interview helped me because It kind of showed me what
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CAMBRIDGE CELTA COURSE 24 June – 19 July 2013 Dear Trainee‚ Welcome to British Side and the course! You are now trainees on the Cambridge CELTA Course and students at British Side. The former means that you are following a training course designed by the University of Cambridge ESOL. The syllabus and assessment criteria are laid down by this organisation‚ and the course will be inspected and moderated by an externally appointed assessor. You will not be assessed by this person (s/he will inspect
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Writing in the Disciplines Section 20608 Professor Drago 3/5/17 Art Critique When introduced to a new body of work‚ a person often tries to find something they can connect with. Researching so they fully grasp what the author is about‚ digging further to connect with them. Cindy Sherman is a fascinating woman and an even more captivating artist. Her work spoke to me in a way I wasn’t expecting to achieve‚ and as I tried to search further to understand her I found that I fell further in awe
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Discipline means obedience to a superior authority. Accepting the norms of the family‚ society‚ the commands of elders and obeying them is also discipline. Discipline means accepting punishments for violation. Discipline also means training of mind and character‚ developing self-control and the habit of obedience. In the entire universe‚ there is an order and discipline. The stars‚ the planets‚ the earth on which we live‚ the moon and the sun we see‚ move according to a system of discipline. We
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About 20 years ago‚ education was something that a person did only if he/she wanted to. Unfortunately‚ as the years went by‚ the idea of "Education is the key to success" got more‚ and more enforced. People eventually started to believe that education was the single way to succeed‚ and the only thing needed for success. Despite the fact‚ many Americans believe a college degree will lead them to be successful‚ in reality‚ education is not the solitary way to succeed. Not
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Discipline and Management: Different Yet Related Discipline‚ management‚ behavior‚ and misbehavior are concerns that every educator will encounter once the educator require his or her first classroom. As these terms are relatively interrelated‚ describing them separately in a word picture will be challenging. Envision a math classroom‚ two weeks after the school year begun. Within this time‚ the classroom rules‚ and expectations of students are well established; every student has received an agenda
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Republic of the Philippines Taguig City University Gen. Santos Ave.‚ Central Bicutan‚ Taguig City COLLEGE OF EDUCATION Case Study Analysis “The Effects of the Implementation of Mother Tongue-Based Multilingual Education at Upper Bicutan Elementary School” Submitted by: Cada‚ Benrick M. Gecolea‚ Kristine A. Tayo‚ Raissa Beed A21 (am) Submitted to: Prof. Cheryl Mesina INTRODUCTION A. Background of the Study The Mother Tongue-Based Multilingual Education refers to “first-language-first”
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I’D OFTEN DREAMED ABOUT waking up with Dimitri‚ waking up in a way that was ... ordinary. Sweet. Not because we were hastily trying to catch sleep before fighting our next foe. Not because we were recovering from sex we had to hide‚ sex laden with baggage and myriad complications. I just wanted to wake up together‚ in his arms‚ and have it be a good morning. Today was that day. "How long have you been awake?’ I asked drowsily. My head was on his chest‚ and I was wrapped against him as best
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