University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

University of Guelph - BIOOC - 2580

#James#J#a#m#e#s#M#i#n#g#L#i#U#S#i#m#S#u#n#d#oe#*#A# )#

University of Guelph - BIOOC - 2580

asymptope589

University of Guelph - BIOOC - 2580

Password to midterm: walle452

University of Guelph - BIOOC - 2580

Name _ Student number _University of GuelphDepartment of Chemistry and BiochemistryChem*2580Introductory BiochemistryMidterm Examination. October 22, 2002. Time allowed, 75 min.Answer questions 1-20 on the computer scoring sheet provided.Only one o

University of Guelph - BIOOC - 2580

Name _Student number _University of GuelphDepartment of Chemistry and BiochemistryChem*2580Introductory BiochemistryMidterm Examination. October 22, 2002.Time allowed, 75 min.Answer questions 1-20 on the computer scoring sheet provided.Only one o

Purdue - ECON - 251

8/21/2011Definition of EconomicsChapter 1: What isEconomics?Lecture 1: Definition ofEconomics Economics =Social science that studies the choices wemake as we cope with scarcity and theincentives that influence and reconcile ourchoices1Ch1: Wha

Purdue - ECON - 251

8/21/2011ScarcityChapter 1: What isEconomics? Scarcity = available resources areinsufficient to satisfy wantsLecture 2: Scarcity, Resources,and Incentives Whats not scarce?Ch1: What is EconomicsLecture 2: Scarcity, Resources, andIncentivesEcon

Purdue - ECON - 251

8/21/2011Economic CostChapter 1: What isEconomics? Opportunity cost = value of the bestalternativeLecture 3: Opportunity Costs Explicit costs = monetary expenses Implicit costs = value of forgonealternativesCh1: What is Economics?Economic cost

Purdue - ECON - 251

8/22/2011Economic cost of multiplequantities What if decision isnt a lump sum decision?Chapter 1: What isEconomics? Need cost and benefit of each individual unitLecture 4: Marginal cost andmarginal benefit Marginal benefit = Benefit of one additi

Purdue - ECON - 251

8/22/2011Costs Vary Across IndividualsChapter 2: The EconomicProblemLecture 1: Comparativeand absolute advantage Brain surgeon vs. mechanic Brain surgeon can tune up car in 1 hour Mechanic needs 2 hours to tune up car Who should tune up the car?

Purdue - ECON - 251

8/23/2011Production Possibility FrontierChapter 2: The EconomicProblemLecture 2: Productionpossibility frontiers Production Possibility Frontier (PPF):Graph of maximum output that can beproduced by an individual or an economy1Ch2: The Economic P

Purdue - ECON - 251

8/28/2011DemandChapter 3: Demand andSupply Demand = Maximum quantity a consumeris willing and able to purchase at variouspricesLecture 1: Demanddefined1Ch3: Demand and SupplyLecture 1: Demand defined2Demand ScheduleLaw of demandQdP ($)(bo

Purdue - ECON - 251

8/28/2011Slope-Intercept formChapter 3: Demand andSupplyLecture 2: Demand as marginalbenefit Rewrite a linear demand equation inslope-intercept form Slope-intercept form is y = mx + b, wherem = slope and b = y coordinate of the yintercept1Deman

Purdue - ECON - 251

8/28/2011Determinants of Demand to leftDemand decrease: Shift Demand increase: Shift to rightChapter 3: Demand andSupplyPPLecture 3: Shifts in demandDDDDQQ1Changes (shifts) in Demand1. Income Normal goods: goods where demandrises when i

Purdue - ECON - 251

8/28/2011SupplyChapter 3: Demand andSupply Supply = Maximum quantity a seller iswilling and able to sell at various pricesLecture 4: Supply defined Law of Supply:Positive relationship between price andquantity supplied ( P Qs )1Ch3: Demand and

Purdue - ECON - 251

8/28/2011Supply equationChapter 3: Demand andSupply Qs = 2P 4 Rewrite in slope-intercept form:P = (1/2)Qs + 2Slope = Y-intercept = (0,2)Lecture 5: Supply as marginalcost1Supply as marginal cost Marginal cost = cost of producing onemore unit

Purdue - ECON - 251

8/29/2011Changes in Supply Supply : Shift to rightChapter 3: Demand andSupplyS Supply : Shift to leftSPPSSchange inquantity suppliedLecture 6: Shifts in supplyQQ1Changes in Supply1. Input prices wages paid to labor Supply (shift tolef

Purdue - ECON - 251

Chapter 3: Demand andSupplyLecture 7: Equilibrium andchanges in equilibrium1Demand and supply togetherDemand and Supply TogetherP12S2D6Ch3: Demand and SupplyQ3Surplus and Shortage P is too high Surplus (Qs > Qd) P starts to fall P is to

Purdue - ECON - 251

9/5/2011ElasticityChapter 4: ElasticityLecture 1: Price elasticity of demanddefinition and determinantsChapter 4: ElasticityLecture 1: Price elasticity of demand definition and determinantsChapter 4: ElasticityElasticity = ResponsivenessPPPrice

Purdue - ECON - 251

9/5/2011Percentage changes%Q%Pd d =Chapter 4: Elasticity Base = Q1 Q2 = average Qd2 Base =Lecture 2: Calculation of priceelasticity of demandd =P P212%Qd%P== average PQ davgQ dPavgPd= Q avgPdPavgQ1Inelastic Demand1 Qd = - 2

Purdue - ECON - 251

9/5/2011d and linear demandChapter 4: ElasticityLecture 3: Elasticity along a lineardemand curve1Elasticity and linear demandP12 As prices rise, demandbecomes more elastic Below midpoint,d =3108Midpoint d=16d < 1 Above midpoint,d=42D

Purdue - ECON - 251

9/6/2011Extreme dChapter 4: Elasticity Perfectly inelasticdemandPLecture 4: Extreme cases ofelasticity Perfectly elasticdemandPD%Qd0%P%Qd%PDQQ11

Purdue - ECON - 251

9/6/2011d < 1 and RevenueChapter 4: Elasticity Revenue = P x Qd P Revenue? d < 1 %Q < 1 d%P%Qd<%P Small Qd change relative to change in P P small Qd Revenue P small Qd RevenueLecture 5: Price elasticity ofdemand and revenue1d > 1 and Reve

Purdue - ECON - 251

9/6/2011Cross-Price ElasticityChapter 4: ElasticityLecture 6: Other elasticities Cross-price elasticity = Substitutes in consumption (> 0) Complements in consumption (< 0)1Cross-Price Elasticity example Ptents Qsleeping bagsd%Qsleepingbags%Pt

Purdue - ECON - 251

9/12/2011Allocative Efficiency DefinedChapter 5: Efficiency andEquityLecture 1: Allocative efficiencyand equilibrium Allocative efficiency = resources areused where they are most highly valued Value here = marginal benefit Value in best alternati

Purdue - ECON - 251

9/14/2011Consumer SurplusChapter 5: Efficiency andEquityLecture 2: Consumer andproducer surplus Consumer Surplus= Value consumers receive over andabove the price paid= MB price summed across allquantities1Consumer surplus on a graphConsumer s

Purdue - ECON - 251

9/14/2011Over- or Under-ProductionChapter 5: Efficiency andEquityProducing too little is inefficient andproducing too much is inefficientLecture 3: Deadweight loss1Deadweight Loss GraphDead Weight Loss Deadweight Loss (DWL) = Decrease inconsume

Purdue - ECON - 251

9/14/2011The Big Trade OffChapter 5: Efficiency andEquityLecture 4: Equity Equity vs. efficiency Symmetry Principle = People in similarsituations should be treated similarly Same treatment? same rules Same outcome? same results Griggs v. Duke Po

Purdue - ECON - 251

9/19/2011Price Controls1. Price ceilingChapter 6: GovernmentActions in Markets Maximum legal price (the highest price atwhich a good can legally be sold Ex: caps, rent controls, salary caps, utilities2. Price floor Minimum legal price (the lowest

Purdue - ECON - 251

9/19/2011Price FloorsChapter 6: GovernmentActions in Markets Minimum wage Agricultural price supportsLecture 2: Price floors1Minimum WageDWL of Minimum WageAgricultural Price SupportsMinimum Wage SummarywageS=households=MC of supplying labor

Purdue - ECON - 251

9/19/2011TaxationChapter 6: GovernmentActions in MarketsLecture 3: Effect of taxes Scott has a 2000 Volvo S80 T6. Min hewould take=$8,750 Aaron would pay, at most, $9,500 Govt imposes a $1,000 tax on sale ofused cars. Tax destroyed a mutually be

Purdue - STAT - 350

STAT 350 Assignment 1 Solutions (60pts)11.(a) (4) The following stem-and-leaf display was constructed using MINITAB: (Its OK if the studentsdont include the first column in the following figure, i.e. dont cut off any point if column of 12 23(10) 14 7

Purdue - STAT - 350

STAT 350 Assignment 2 Solutions (55 Pts)54.(a) (1) Let x = number of bits erroneously transmitted. Then, x is binomial with n = 20, = .10, so Proportion(x 2) =.122 + .270 + .285 = .677 (from Table II).(b) (1) Proportion(x 5) = .032 + .009 + .002 + .00

Purdue - STAT - 350

STAT 350 Assignment 3 Solutions (75 points)45.(5) The normal quantiles are easy to generate using SAS. The quantile plot for this data is shown below. The pattern isobviously nonlinear, so a normal distribution is implausible for this data. The apparen

Purdue - STAT - 350

STAT 350 Assignment 4 Solutions (70 points)CHAPTER 51.(a) (3) Sampling without replacement means that no repeated items will occur in any sample. There are 10possible such samples of size 3:cfw_a,b,c, cfw_a,b,d, cfw_a,b,e, cfw_a,c,d, cfw_a,c,e, cfw_a

Purdue - STAT - 350

STAT 350 Assignment 5 Solutions (60 points)26.(a) (2) x is a discrete random variable, so = xp(x)= (0)(.08) + (1)(.15) + (2)(.45) + (3)(.27) + (4)(.05) = 2.06.x(b) (2) 2 = (x ) p(x) = (0-2.06) (.08) + (1-2.06) (.15) + (2-2.06) (.45) + (3-2.06) (.27

Purdue - STAT - 350

STAT 350 Assignment 6 Solutions (40 points)2.(a) (2) An unbiased point estimate of , the average amount of gas used by all houses in the area is: 1,206 x 120.6 therms 10 8 .80 10 (b) (2)An unbiased point estimate of , the proportion of all home

Purdue - STAT - 350

STAT 350 Assignment 7 Solutions (45 points)22.(4) In this problem, we have n 507 and p 142 / 507 .28008 . For a two-sided 99% confidence interval, weusez* 2.575 :p z*p (1 p )n .28008 2.575 .28008 2.575(.0199)25..28008(1.28008)507(.228, .331)

Purdue - STAT - 350

STAT 350 Assignment 8 Solutions (60 points)1.(5 points = 0.5 each)(a) Yes, > 100 is a statement about a population standard deviation, i.e., a statement about a populationparameter.(b) No, this is a statement about the statistic x , not a statement a

Purdue - STAT - 350

STAT 350 Assignment 9 Solutions (50 points)1.(2) (a) H0 : A = B = C ; where i = average strength of wood of Type i.(2) (b) When a null hypothesis is not rejected in an ANOVA test it can often be good news. When there is nosignificant difference betwee

Purdue - STAT - 350

STAT 350 Assignment 10 Solutions (50 points)35.The following ANOVA table was created:Source DFSSMSFPbrand453231 13308 95.57 0.000level3 116218 38739 278.20 0.000Error121671139Total19 171120(a) (3) The F-ratio for 'brand' is F = 95.57. F

Purdue - STAT - 350

STAT 350 Assignment 11 Solutions (70 points)2.(a) (4) The slope of the estimated regression line ( = - .01) is the expected change in reaction time fora one degree Fahrenheit increase in the temperature of the chamber. So, with a one degreeFahrenheit

Purdue - STAT - 350

Section 3.1: #2 #4#2With this data the relationship between the age of the lawn mower and its NOx emissions seemssomewhat dubious. We certainly do not see any pattern such as positive or negative relationshipsbetween the two variables. Thus, we claim

Purdue - STAT - 350

data instruction;infile 'H:\instrction.txt';input method grade score;run;proc glm data=instruction alpha=0.05;class method grade ;model score = method grade;means score / tukey lines;run;data concrete;input type$ method strength;cards;quick 1

Purdue - STAT - 350

Problem1Pearson Correlation Coefficients, N = 13Prob > |r| under H0: Rho=0LeftRightDistleftkgrightkgdistmeterLeft1.000000.89572<.00010.811740.00081.00000<.00010.89572<.00010.811740.0008Right1.000000.88055<.00010.89572<.000

Purdue - STAT - 350

Problem1a) Let y denotes the response, x1 denotes the force, x2 denotes the power, x3 denotes thetemperature, and x4 denotes the time.Then the model statement for the dataset isy =-37.47667+0.21167x1+0.49833x2+0.12967x3+0.25833x4b)The REG Procedure

North Texas - COMP - 1301

Pappas 1Alex PappasMs. SinghEnglish 10428 March 2008Wireless CommunicationsWireless communications are everywhere. People around the world regularly send and receivemessages wirelessly, that is, transmitted through the air. Three types of wireless

North Texas - SPEECH - 1314

Help|LogoutReview the Items Asked On the ExamChapter 1: QuizPrinted below are the questions that were asked on this exam,along with any answers you gave and any feedback you received.You may returntothesyllabus at any time.Section 1, Question 1True

North Texas - SPEECH - 1314

Help|Logoutthe Items Asked On the ExamChapter 2: QuizPrinted below are the questions that were asked on this exam,along with any answers you gave and any feedback you received.You may returntothesyllabus at any time.Section 1, Question 1True/false

North Texas - SPEECH - 1314

PAPER BAG SPEECHGood morning, today I would like introducing about my paper bag.When I begin doing the bag, my children ran to me, and they askedme:Mom, what are you doing?" I told them that I have to decorate thepaper bag with three objects and bring