Statistics for Business and Economics Personal pre-assignment 1.9 What is a representative sample? What is its value? The representative sample is a subset of a population of interest that is exhibiting the typical characteristics of the population. The most typical way to cover the up-mentioned criterion is the simple random sample which consist of a sample of units that is selected randomly‚ e. g. the sample is selected form the population on a way that every sample of the size is having
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by substituting the half-life into the equation ½=1∙e-rh. This is because when h‚ or the half-life‚ is equal to t‚ or time‚ then the mass of 1 unit becomes ½ unit. An example of a radioactive substance that will decay over time is Polonium-210. Polonium-210 has a half life of 140 days. This half-life was plugged into the equation ½=1∙e-rh in order to find the rate of decay expressed as a proportion of the mass‚ or r. 140 was plugged in for h. In order to solve the
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Investment Analysis and Lockheed Tri Star Problem Sets February 25‚ 2013 1a. The results of NPV‚ payback and IRR calculations are the following. For payback method‚ Rainbow Product will pay back the original investment costs after 7 years. Net Present Value is -$946 and IRR is 11.49%. Rainbow Products should not purchase the machine according to the results of NPV and IRR calculation. The net present value of purchasing this new equipment is negative‚ and the internal rate of return is less than
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days vividly explaining the sights she wanted to see and explore had she gained her vision for the allotted time. “Helen Keller was born in sweet home Alabama in 1880. In the small town of Tuscumbia at nineteen months old Helen fell very sick” (Keller 210) . Though the sickness that ailed her had passed rather quickly‚ it left her permanently blind. I feel as if Helen Keller overcame the most adversity because she was put at a disadvantage from the beginning. Helen had to overcome her disabilities as
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lapsed options) Exercise 2.6 ISSUE OF ORDINARY AND PREFERENCE SHARES Prepare journal entries and ledger accounts to record the following transactions for Kuwait Ltd: KUWAIT LTD 2015 01/4 NO ENTRY 10/4 Cash trust Dr 210 000 Application – ordinary shares Cr 210 000 (Applications for ordinary shares: 140 000 x $1.50) Cash trust Dr 170 000 Application – preference shares Cr 170 000 (Applications for preference shares: 85 000 x $2) 15/4 Application – ordinary shares Dr 150 000
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ADM 3301 Sample Mid-term Exam Duration: 2.5 hours Student name:_______________________ Student No.__________________ INSTRUCTIONS: 1- Write down the exam copy number (that exists at the top right corner of this page) on the identification white card next to your name. 2- Verify that your exam has 9 pages (including this title page). 3- Answer all questions on your examination copy. Use the opposite (blank) side‚ if necessary. Answers or calculations written on the sheet
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31 October 2013 Morals vs. Ethics Researched-based Informative Essay English 12 Mr. Barry Rich Do you have any morals? Do you know about ethics? Well‚ the definition of morals would be the principles or habits with respect to right or wrong conduct; it defines how things should work according to individuals’ ideals and principles. To give you a more “dumbed-down” definition‚ morals mean to learn a lesson‚ especially one concerning what is right or practical. It can be consequential
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I love delicious food and despise anything contrary to that. The one thing that is so dangerous about me loving good food is the fact that‚ everything that looks good isn’t always good for me‚ like my mom used to say. In this assignment I am about to see just how good or not good the foods I enjoy are good for me‚ as I count my calorie intake and grams of fat I ingest daily. I have used three items from breakfast‚ lunch and dinner to analyze their fat and protein content based on their calories
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increase for an additional passenger. Other variable costs are the cost of flight clue and fuel costs‚ since when the number of passenger increase to a capacity that is more than 120 people‚ one additional flight would have an cost increase of $(600+210)/per hour of flying time. Fixed costs remain in constant if output (or sales) varies. Here‚ the leasing costs of aircraft and the ground service costs are both fixed cost‚ since no matter how many flights you run per week‚ both leasing costs and ground
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Comparison of Muscle Proteins to Infer Evolutionary Relationships of Mammals‚ Fish and Birds Abstract This experiment used electrophoresis to examine the makeup of muscle proteins from two mammals (cow‚ Bos taurus; bear‚ Ursus americanus)‚ two aves (chicken‚ Gallus gallus; turkey‚ Meleagris gallopavo)‚ and two fish (King Salmon‚ Oncorhynchus tshawytscha; Albacore Tuna‚ Scombridae unclassified). The hypothesis was that as species have diverged evolutionarily‚ the makeup of their muscle proteins
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