Chapter 1: Intro Independent Variable - variable you deliberately change during an experiment Theory - explanation based on a large number of experiments Hypothesis - educated prediction of cause and effect - what you test in an experiment Control - a zero or set form of the independent variable Dependent - variable you measure because you think it could change 7 characteristics: order‚ regulation‚ growth and development‚ energy processing‚ response to the environment‚ reproduction‚ evolutionary
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Accrued Interest = x Nominal Return = Real Return = – 1 Real rate of return Compounding = rnominal-inflation rate Current yield = The invoice price is the reported price plus accrued interest The ask price is 101.125 percent of par‚ so the invoice price is: $1‚011.25 + (1/2 $50) = $1‚036.25 Effective annual rate on a three-month T-bill: Optimal capital allocation: Y= E(rp)- Rf / A(std)^2portfilio – 1 = (1.02412)4 – 1 = 0.1000 = 10% Effective annual interest rate
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Calculus Cheat Sheet Derivatives Definition and Notation f ( x + h) - f ( x) . If y = f ( x ) then the derivative is defined to be f ¢ ( x ) = lim h ®0 h If y = f ( x ) then all of the following are equivalent notations for the derivative. df dy d f ¢ ( x ) = y¢ = = = ( f ( x ) ) = Df ( x ) dx dx dx If y = f ( x ) then‚ If y = f ( x ) all of the following are equivalent notations for derivative evaluated at x = a . df dy f ¢ ( a ) = y ¢ x =a = = = Df ( a ) dx x =a dx
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Cheat Sheet: Note: UCC governs the sale of goods; NOT SERVICES Offer+acceptance+consideration=contract Four types of contracts: 1. consideration: when you have a contract for a bargained for exchange where the promisor receives a benefit to the promisee’s detriment; note: benefit/detriment has to induce the promise 2. moral obligation: promise+antecedent benefit (rare) 3. promissory estoppel: a contract exists when a person reasonably relies upon a promise to his detriment 4. form: some contracts
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Cycle time: Bottleneck| Cycle time = 1/Capacity rate | | Inventory = Throughput Rate x Flow Time | Little’s Law: I = R x T | Inventory Turns (IT) = 1 / Flow time (T) = R / I | BCWS = Budgeted Cost of Work Scheduled BCWC = Budgeted Cost of Work Complete |ACWC = Actual Cost of Work Complete | Cost Variance CV = BCWC – ACWC | Schedule variance SV = BCWC – BCWS | Utilization=Demand /CAPACITY| Inventory Buildup rate IBR|No IBR if no stations limits Throughput rate| Capacity rate = 1 / Cycle
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LDR ms Optical detector Optical source Forward-biased photodiode; energy releases photo of light (near-infrared) -Resistance against light -High gain means slower -Limiting resistor is used to keep the intensity is plotted on a log-log response time current within the maximum allowed scale -More sensitive than a rating. - When it’s darker‚ it will have a photodiode (can pick up smaller -The brightness of the LED depends higher resistance. If it has a changes in light) on the current‚ and NOT the
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Whitt‚ April May 18‚ 2012 E-6 Why Men Cheat I. Some men are trifling A.) Men do dirty things while in a committed relationship B.) Men want to fit-in II. Some men are mack-daddies A.) Men lie to other women B.) Men tease women heads up III. Some men crave sexual “variety” A.) Men want sex from other women B.) Their wife/girlfriend is not getting all of their attention Thesis Statement: Because men are trifling‚ mack-daddies‚ and crave
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¼ x1 þ x2 þ Á Á Á þ xn covðX; YÞ ¼ E½ðXÀE½XÞðYÀE½YÞ i¼1 n ¼ å å ½x À EðXÞ½ y À EðYÞ f ðx; yÞ å a ¼ na x y i¼1 n covðX;YÞ r ¼ pffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi varðXÞvarðYÞ n å axi ¼ a å xi i¼1 n i¼1 n n i¼1 i¼1 E(c1X þ c2Y ) ¼ c1E(X ) þ c2E(Y ) E(X þ Y ) ¼ E(X ) þ E(Y ) å ðxi þ yi Þ ¼ å xi þ å yi i¼1 n n n i¼1 i¼1 å ðaxi þ byi Þ ¼ a å xi þ b å yi i¼1 n var(aX þ bY þ cZ ) ¼ a2var(X) þ b2var(Y ) þ c2var(Z ) þ 2abcov(X‚Y ) þ 2accov(X‚Z ) þ 2bccov(Y‚Z ) n å ða þ bxi Þ ¼ na þ
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Why Students Cheat? By: Quennie P. Sigue In religion‚ the Church believed that cheating is one of the seven capital sins‚ for it is an immoral way of achieving success. It is often done by students‚ who think that studying is an easy stage of life‚ that it‘s merely attending classes without any hard work and sacrifice. Yet‚ cheaters have always reasons why they prefer to do this which can also affect their own selves. Nowadays‚ there are students who usually do cheating during examinations and
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Do cheat days work? Can you have chocolate or cookies‚ and still lose weight? According to researchers‚ cheat days actually boost your metabolism and speed up fat loss. On top of that‚ they keep you motivated and increase your chances of success. There are many different ways to incorporate cheat meals into your diet‚ so make sure you know your options. Why Cheat? A cheat meal or a cheat day can make dieting easier and keep you sane. Most athletes use this strategy to stay motivated. The science
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