Question 1 Stdev VAR Period 14% 0.0196 12 a) Check whether it can be asserted with 98% confidence that the underlying yearly real variance of the portfol Sigma^2= 440 Ho: sigma^2 = 440 H1: sigma^2 not = 440 Statistic 4.9 With 98% confidence Lower limit 3.05348411 Upper limit 24.7249703 With 98% confidence we cannot reject Ho since the statistic is inside the acceptance
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The t-test for dependent groups is a parametric analysis technique used to determine statistical differences between two related samples or groups. Groups are dependent or related because they were matched as part of the design to ensure similarities between the two groups and thus reduce the effect of extraneous variables. For example‚ two groups might be matched on gender so an equal number of males and females are in each group‚ thus reducing the extraneous effect of gender on the study results
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Inventory Exercises 1. At Dot Com‚ a large retailer of popular books‚ demand is constant at 32‚000 books per ear. The cost of placing an order to replenish stock is $10 and the annual cost of holding is $4 per book. Stock is received five working days after an order has been placed. No backordering is allowed. Assume 300 working days a year. a. What is Dot Com’s optimal order quantity (EOQ)? b. What is the optimal number of order per year? c. What is the optimal interval (in working days)
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Get Some Exercise Workouts for Better Writing Some writers say that writing is like music practice: if you miss a day‚ you’ll notice your work isn’t as smooth; if you miss a couple of days‚ you’ll really notice; and if you miss a week‚ other people will notice. So what can you do when you aren’t actively working on a story‚ novel‚ poem or essay? You can practice. You can exercise. A writing exercise is usually something short that you can complete in an hour or two (or even much less)‚ but which
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you are still being active If you have that capacity and your opponent does not then you can out compete your component These ideas should dictate how you train for your sport Athlete constantly changing intensity – have to practice that type of exercise If you train only how you perform you are going to limit your potential and your performance 2. Can you alter your CV System‚ increase stroke volume‚ to alter the window in the time line discussed? I.e.‚ pick up portions sooner or make portions
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Chapter 2 Assignment Ryan M. Kethcart INFOST-491 SEC-OL Exercises 1. Consider the statement: an individual threat agent‚ like a hacker‚ can be a factor in more than one threat category. If a hacker hacks into a network‚ copies a few files‚ defaces the Web page‚ and steals credit card numbers‚ how many different threat categories does this attack fall into? a. Overall‚ I believe this attack falls into four major threat categories: deliberate acts of trespass‚ compromises to intellectual
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Exercise 20 1. Which patient scored the highest on the preoperative CVLT Acquisition? What was his or her T score? Patient 3 scored the highest. T score of 63 2. Which patient scored the lowest on postoperative CVLT Retrieval? What was this patient’s T score? Patient 4 scored the lowest. T score of 23 3. Did the patient in Question 2 have more of a memory performance decline than average on the CVLT Retrieval? Provide a rationale for your answer. Yes‚ his decline was from 44 to 23‚ a 21 point drop
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“Advertising: 15 Basic Appeals” by Jib Fowles (from "Mass Advertising As Social Forecast") 1. Need for sex- surprisingly‚ Fowles found that only 2 percent of the television ads‚ he surveyed used this appeal. It may be too blatant‚ he concluded‚ and often detracts from the product. 2. Need for affiliation- the largest number of ads use this approach: you are looking for friendship? Advertisers can also use this negatively‚ to make you worry that you’ll lose friends if you don’t use
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Wok Exercises: 1. List five elements commonly present in organic compounds. Carbon (C) Hydrogen (H) Oxygen (O) Nitrogen (N) Sulfur (S) 2. What are the common sources of organic compounds? Vegetable and animal sources including bacteria and viruses contain organic compounds. Petroleum (crude oil)‚ and coal are also sources of organic compounds. 3. What is observed when you blow your breath through limewater? A couple of breaths through limewater‚ it becomes hazy. After a couple more breaths‚
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Don Petersen Week 1 Exercises 12) Write C++ statements that accomplish the following: a) Declare int variables x and y. Initialize x to 25 and y to 18. int x‚ y; x = 25; y = 18; b) Declare and initialize an int variable temp to 10 and a char variable ch to ‘A’. int temp = 10; char ch = ‘A’; c) Update the value of an int variable x by adding 5 to it. x += 5; d) Declare and initialize a double variable payRate to 12.50. double payRate = 12.50; e) Copy the value of an int variable
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