Continuous Distributions Distribution Uniform Normal Exponential Gamma Chi-square Beta Probability Function f (y) = f (y) = 1 ; θ ≤ y ≤ θ2 θ2 − θ1 1 1 1 (y − µ)2 √ exp − 2 2σ σ 2π −∞ < y < +∞ f (y) = 1 y α−1 e−y/β ; (α)β α 0<y<∞ f (y) = f (y) = f (y) = 1 −y/β e ; β>0 β 0<y<∞ (y)(v/2)−1 e−y/2 2v/2 (v/2) y2 > 0 ; (α + β) y α−1 (1 − y)β−1 ; (α) (β) 0<y<1 MomentGenerating Function Mean Variance θ1 + θ2 2 (θ2 − θ1 )2 12 µ σ2 β β2 (1 − βt)−1 αβ αβ 2 (1 − βt)−α v 2v
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Problem Set 5 Complete all questions listed below. Clearly label your answers. 1. What impact will an unanticipated increase in the money supply have on the real interest rate‚ real output‚ and employment in the short run? How will expansionary monetary policy affect these factors in the long run? Explain. An unanticipated increase in the money supply will have a significant negative or positive impact on different areas of the economy. Real interest rate will decrease in the short run when money
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Econ 122A Problem Set 6 Name(Print)______________________ Due in class on March 14 UCI ID_____________________________ 1. In class‚ we have talked about the following simple wage equation wage = α + β female + u ‚ where female is a dummy that is equal to 1 if female‚ and 0 otherwise. ˆ ˆ Given the OLS estimates α and β for the above model‚ what are the OLS estimates ˆ ˆ for a model with a male dummy instead of a female dummy
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Chapter 2 Charts and Graphs Statistics is the science of data. A first step in the study of statistics is the examination of data. Chapters 2 and 3 present several techniques for reducing data so that it is more manageable. In addition‚ graphic displays are essential to understand and interpret complex sets of data in order to be able to make business decisions easier. Chapter 2 discusses and displays several graphical tools including the histogram‚ frequency polygon‚ ogive‚ dot plot‚ bar
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Yaying Wednesday 5-6pm WEEK 3 BES PASS Descriptive Statistics Population - a set of all possible observations. Sample - a portion of a population. We often use information concerning a sample to make an inference (conclusion) about the population. Parameter - describes a characteristic of the population‚ eg: the population variance Statistic- describes a characteristic of a sample‚ eg: the sample variance Frequency Distribution and Histograms Class - a collection of data which
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Normal(88.532‚5.07943) Normal(97.1033‚5.04488) Normal(107.15‚5.15367) Summary Statistics Mean 88.532 Std Dev 5.0794269 Std Err Mean 0.2271589 Upper 95% Mean 88.978306 Lower 95% Mean 88.085694 N 500 Sum 44266 Summary Statistics Mean 97.103333 Std Dev 5.0448811 Std Err Mean 0.2912663 Upper 95% Mean 97.676525 Lower 95% Mean 96.530142 N 300 Sum 29131 Summary Statistics Mean 107.15 Std Dev 5.1536687 Std Err Mean
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INTERCOASTAL ELECTRONICS BUDGETING PROCESS 1. Sales budget: 2011 December $400‚000 100‚000 300‚000 January $440‚000 110‚000 330‚000 February $484‚000 121‚000 363‚000 2012 March $532‚400 133‚100 399‚300 First Quarter $1‚456‚400 364‚100 1‚092‚300 Total sales........................ Cash sales* ...................... Sales on account† ........... *25% of total sales. †75% of total sales. 2. Cash receipts budget: 2012 January $110‚000 33‚000 270‚000 $413‚000 February $121‚000 36‚300 297‚000 $454
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Sure enough‚ we have all heard before how stress can actually drive people out of procrastination and inertia‚ and into achieving results. But‚ did you know that this claim only works if the pressure remains at a moderate amount? During the exams‚ it is easy for stress levels in children to escalate and spiral out of control as they might not know how to burn it off‚ except during play which they are going to get less of. Soon enough‚ you will find your kids suffering from weakened immune systems
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Lillian Flloyd Economics 214-D16 March 27‚ 2013 Liberty University Bulls‚ Bear‚ and Golden Calves Chapter Two: Me‚ Myself‚ and Why 1. What is the difference between self-interest and selfishness? Why is this distinction important when considering the competitive market economy as appropriate for society? Self-interest is looking out for your best interest and finding the best possible alternatives that will benefit yourself in the business world. Selfishness is putting
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Chapter 17‚ Problem B1 A. To remain comfortably within the ‘A’ range‚ the firm should avoid the lower of each scale. Fixed Charge Coverage = 3.40 – 4.30 (Scale 3.00 – 4.30) Total Debt = 55 – 65 (45 - 65) Long-Term Debt = 25 – 32 (22 – 32) B. Other factors to consider include net present value (NPV)‚ foreign tax credits‚ and the price of stock. C. Bixton must resolve the research and development‚ and foreign tax credits. The target ranges listed are suitable only for a debt shield. Lenders
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