1. a. Power– kilowatt‚ b. Area – acres‚ c. Application Rate – in/hr‚ d. Pressure – head‚ e. Depth – inches‚ f. Length – miles‚ g. Velocity – ft/sec‚ h. Volume – ac-in‚ i. Flow Rate – cu-ft/sec 2. Statements (1) and (2) refer to water volumes. Are these Net or Gross volumes? (1) Crop water use (cu-ft) = Seasonal ET (ft) x Crop area (acres) x 43‚560 sq-ft/acre (2) Volume applied by system (ac-in) = Application rate (in/hr) x Irrigation time (hr) x Area (acres)
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Chapter 13 Problems (2‚ 9‚ 11‚ & 14) 2) Determine the coefficient of correlation and the coefficient of determination. Interpret the association between X and Y. X Y x^2 xy 5 13 25 65 3 15 9 45 6 7 36 42 3 12 9 36 4 13 16 52 4 11 16 44 6 9 36 54 8 5 64 40 39 85 211 378 r = (378) - (39)(85) / 8 = -36.375 √[211 - (39)^2 / 8] *
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Problem 1: A project of equipment purchase of Mekong Company Ltd. has the estimated data as follows: The cost of equipment is USD 12‚000‚ the cost for transportation and installation is USD 1‚000 USD. The asset is depreciated according to a straight line depreciation scheme within 5 years. It is expected that the project can produce and sell 7‚500 units of product at the price of USD 2 per unit‚ for the first year. The operating costs for the first year (excluding depreciation) are estimated
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Week 1 (6) Introduction Chapters 1‚ 2. Problem set 1.1 a. Give a definition of the process of (economic) globalization. b. For many people‚ however‚ the globalization process is more than just economic globalization‚ and the advantages and/or disadvantages of globalization are spread over a much wider area than just international economics. Give a few examples. 1.2 a. How can globalization and international economic integration be measured (3 indicators)? b. Use the three
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Lecture Notes on Introductory Statistics‚ I (P.P. Leung) Lecture notes are based on the following textbook: N.A. Weiss (2012)‚ Introductory Statistics‚ 9th edition‚ Pearson. Chapter 1 The Nature of Statistics 統計本質 §1.1 Two kinds of Statistics §1.4 Other Sampling Designs (其他抽樣方法) Chapter 1 The Nature of Statistics 統計本質 What is Statistics? 何謂統計? From Wikipedia‚ the free encyclopaedia: Statistics is a mathematical science pertaining to the collection‚ analysis‚ interpretation
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Lecture 1. Descriptive statistics includes statistical procedures that we use to describe the population we are studying. The data could be collected from either a sample or a population‚ but the results help us organize and describe data. Descriptive statistics can only be used to describe the group that is being studying. That is‚ the results cannot be generalized to any larger group. Inferential statistics is concerned with making predictions or inferences about a population from observations
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Week 4 Homework Solutions: Problem Set 4 1. Determining Profit or Loss from an Investment. Three years ago‚ you purchased 150 shares of IBM stock for $88 a share. Today‚ you sold your IBM stock for $103 a share. For this problem‚ ignore commissions that would be charged to buy and sell your IBM shares. a. What is the amount of profit you earned on each share of IBM stock? The profit on each share of IBM stock was $15. $103 priced when each share was sold‚ $88 priced when each
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Economics 500 – Problem Set #3 Consider a firm producing an output Q using the two inputs “labor” (L) and “capital” (K) according to the production function Q = K.5L.5 (i.e.‚ the amount of output produced Q is equal to the square root of K times the square root of L). Suppose that the firm is in a short-run situation in which K is fixed at one unit (K = 1) but labor is variable. Suppose that the user cost of capital‚ r‚ is $48 for each unit of K and that the wage rate‚ w‚ the cost of one unit
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Econ 214 Problem Set 4 1. What determines whether a financial asset is included in the M1 money supply? Why are interest-earning checkable deposits included in M1‚ whereas interest-earning savings accounts and Treasury bills are not? A financial assest is included in the M1 money supply when it can be quickly converted into the physical form of money‚ such as dollars and coins. Interested-earning checkable deposits are included because it can be quickly accessible without limitations
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Baldeo Persaud NT 1230 Unit 5 Problem Set 1 Matching Complete the following exercise by matching the terms with their corresponding definitions. a. automated password guessing b. Windows authorization mechanism c. passwords plus smartcards d. stored in a digital certificate e. standard for smart card support f. decrypts data encrypted with a certificate g. firewall exceptions h. standard for fingerprint scanners and other devices i. potentially destructive software j. firewall rule requiring IPsec
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