GRADE 9/9 Lind Chapter 9; Exercise 12 The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds. a. What is the value of the population mean? What is the best estimate of this value? The value of population mean is unknown. The best estimate of this value is the sample mean of 60 pounds. b. Explain why we need to use the t distribution. What assumption
Premium Statistics Arithmetic mean Normal distribution
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)
Premium Irrigation Water Aquifer
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
Premium Lease Taxation in the United States Finance
MIT Sloan Finance Problems and Solutions Collection Finance Theory I Part 1 Andrew W. Lo and Jiang Wang Fall 2008 (For Course Use Only. All Rights Reserved.) Acknowledgements The problems in this collection are drawn from problem sets and exams used in Finance Theory I at Sloan over the years. They are created by many instructors of the course‚ including (but not limited to) Utpal Bhattacharya‚ Leonid Kogan‚ Gustavo Manso‚ Stew Myers‚ Anna Pavlova‚ Dimitri Vayanos and Jiang Wang. Contents 1
Premium Bond Bonds
EXAMPLE : USING MIXED METHOD: BOTH QUALITATIVE & QUANTITATIVE RESEARCH QuickStop Convenience Stores Background Once upon a time there was a successful line of convenience stores. We’ll call this group of stores "QuickStop". At some point a staff-member realised that QuickStop seemed to be patronised by many more men than women. This was passed along to the management team and they asked the store tellers to informally keep track of the proportions of men to women who came into their stores.
Premium Quantitative research Qualitative research Scientific method
Prof. Gustavo Indart Department of Economics University of Toronto ECO 100Y INTRODUCTION TO ECONOMICS Problem Set 1 1. Labour is the only resource in an economy with the following maximum production possibilities. (The graph is drawn as a curve rather than points under the assumption that opportunity cost is constant between options.) Option 1 2 3 4 a) b) c) d) e) f) Clothes (Tons) 50 40 20 0 Food (Tons) 0 30 70 100 What is the opportunity cost of increasing Clothes production from 20 to 40
Premium Economics
Chapter 9‚ Problem 17 Jack Hammer invests in a stock that will pay dividends of $2.00 at the end of the first year; $2.20 at the end of the second year; and $2.40 at the end of the third year. Also‚ he believes that at the end of the third year he will be able to sell the stock for $33. What is the present value of all future benefits if a discount rate of 11 percent is applied? (Round all values to two places to the right of the decimal point.) Present value of a single amount PV = FV x PVIF
Premium Net present value Investment Stock market
UNIVERSITY OF TORONTO Joseph L. Rotman School of Management RSM332 PROBLEM SET #2 SOLUTIONS 1. (a) Expected returns are: E[RA ] = 0.3 × 0.07 + 0.4 × 0.06 + 0.3 × (−0.08) = 0.021 = 2.1%‚ E[RB ] = 0.3 × 0.14 + 0.4 × (−0.04) + 0.3 × 0.08 = 0.05 = 5%. Variances are: 2 σA = 0.3 × (0.07)2 + 0.4 × (0.06)2 + 0.3 × (0.08)2 − (0.021)2 = 0.004389‚ 2 σB = 0.3 × (0.14)2 + 0.4 × (0.04)2 + 0.3 × (0.08)2 − (0.05)2 = 0.00594. Standard deviations are: √ 0.004389 = 6.625%‚ σA = √ 0.00594 =
Premium Interest Variance Standard deviation
1 1 2 3 C Motion I 7 (a) From 1 January 2009 to 10 January 2009‚ the watch runs slower than the actual time by 9 minutes. Therefore‚ when the actual time is 2:00 pm on 10 January 2009‚ the time shown on the watch should be 1:51 pm on 10 January 2009. Practice 1.1 (p. 6) D (a) Possible percentage error 10 −6 = × 100% 24 × 3600 = 1.16 × 10 % 1 (b) = 1 000 000 days 10 −6 –9 It would take 1 000 000 days to be in error by 1 s. (b) Percentage error 9 = × 100% 9 × 24 × 60 = 6.94 × 10–2%
Premium Velocity Acceleration Force
BASIC QUANTITATIVE ANALYSIS FOR MARKETING BASIC TERMINOLOGY Simple calculations often help in making quality marketing decisions. If we are to assess the likely profit consequences of alternative actions‚ we must understand the cost associated with doing business as well. We can calculate the expected revenue generated by each pricing strategy‚ but without cost information‚ it is not possible to determine the preferred price. The cost concepts we introduce are: - Variable cost - Fixed cost
Premium Variable cost Costs Cost