History of Western Civilization
Ancient Societies Assignment
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Math Problem Set 2
#2) As part of your retirement planning, you purchase an annuity that pays 3.9% annual interest compounded quarterlya. If you make quarterly payments of $1600 how much will you have saved in 5 years?b. Instead, if you make quarterly payments of $800, how much will you have saved in 10 years?#1) You plan to purchase a house for $ 375,000 and you will make a 20% down payment. You are evaluating two mortgages a 30-year fixed mortgage at 2.82% and a 15-year fixed mortgage at 2.35%. Your goal is to have a monthly payment that fits within your budget.a. Which mortgage will give you the lowest monthly payment? What will that payment be? How much less will this be than the other monthly mortgage payment?b. Assuming you take the full term of the mortgage, which mortgage will result in you paying the most interest? What will that interest be?
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MAT 540 Quantiative Methods Strayer wk 8
Click the link above to submit your homework assignment.Complete the following problems from Chapter 4:Problems 14, 19, 20, 22, 36, 43
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draw MIS ER chart
I have the answer with the question but I want to remake it with word.5. Design an ER schema with attributes, primary keys, cardinalities and participation constraints if appropriate.For keeping track of information about votes taken in the U.S. House of Representatives during the current two-yearcongressional session. The database needs to keep track of each U.S. STATE’S Name (e.g., Texas, New York,California) and include the Region of the state (whose domain is {North-east, Midwest, South-east, Southwest,West}). Each CONGRESSPERSON in the House of Representatives is described by his or her name, plus theDistrict represented, the StartDate, when the congressperson was first elected, and the political party to which heor she belongs (whose domain is {Republican, Democrat, Independent, Other}). The database keeps track of eachBILL (i.e., proposed law), including the BillName, the DateOfVote on the bill, whether the bill PassedOrFailed(whose domain is {Yes, No}, and the Sponsor (the congressperson(s) who sponsored-that is , proposed-the bill).The database keeps track of how each congressperson voted on each bill (domain of vote attribute is {Yes, No,Abstain, Absent}). Draw an ER schema diagram for this application. State clearly any assumptions you make.(10 Points)
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Linear Programming Project
Linear Programming ProjectOverviewFor this assignment, your instructor will assign a linear programming project based on the following specifications:It will be a problem with at least three constraints and at least two decision variables.The problem will be bounded and feasible. It will also have a single optimum solution (in other words, it won’t have alternate optimal solutions).The problem will also include a component that involves sensitivity analysis and the use of the shadow price.InstructionsYou will be turning in two deliverables, a short writeup of the project, and the spreadsheet showing your work.WriteupYour writeup should introduce your solution to the project by describing the problem.Correctly identify what type of problem this is. For example, you should note if the problem is a maximization or minimization problem, as well as identify the resources that constrain the solution.Identify each variable and explain the criteria involved in setting up the model. This should be encapsulated in one or two succinct paragraphs.After the introductory paragraph, write out the LP model for the problem. Include the objective function and all constraints, including any non-negativity constraints. Then, you should present the optimal solution, based on your work in Excel. Explain what the results mean.Finally, write a paragraph addressing the part of the problem pertaining to sensitivity analysis and shadow price.SpreadsheetPlease set up your problem in QM for Windows or Excel and find the solution using Solver.Clearly label the cells in your spreadsheet.You will turn in the entire spreadsheet, showing the setup of the model, and the results.This course requires the use of Strayer Writing Standards. For assistance and information, please refer to the Strayer Writing Standards link in the left-hand menu of your course. Check with your professor for any additional instructions.The specific course learning outcome associated with this assignment is:Determine an approach to a problem that uses a linear programming model.Assignment 1. Linear Programming Case StudyFrom your real-world of your business* formulate a linear programming project for this assignment according to the following specifications.It will be a problem with at least three (3) constraints and at least two (2) decision variables. The problem will be bounded and feasible. It will also have a single optimum solution (in other words, it won’t have alternate optimal solutions). The problem will also include a component that involves sensitivity analysis and the use of the shadow price.You will be turning in two (2) deliverables, a short writeup of the project and the spreadsheet showing your work.Writeup.Your writeup should introduce your solution to the project by describing the problem. Correctly identify what type of problem this is. For example, you should note if the problem is a maximization or minimization problem, as well as identify the resources that constrain the solution. Identify each variable and explain the criteria involved in setting up the model. This should be encapsulated in one (1) or two (2) succinct paragraphs.After the introductory paragraph, write out the L.P. model for the problem. Include the objective function and all constraints, including any non-negativity constraints. Then, you should present the optimal solution, based on your work in Excel. Explain what the results mean.Finally, write a paragraph addressing the part of the problem pertaining to sensitivity analysis and shadow price.Excel.As previously noted, please set up your problem in Excel and find the solution using Solver. Clearly label the cells in your spreadsheet. You will turn in the entire spreadsheet, showing the setup of the model, and the results.Clickhereto view the grading rubric for this assignment.*if a real-world business study is not possible, you may work with a fictional one you make up…just make the story “real-world” based.By submitting this paper, you agree: (1) that you are submitting your paper to be used and stored as part of the SafeAssign™ services in accordance with the Blackboard Privacy Policy; (2) that your institution may use your paper in accordance with your institution’s policies; and (3) that your use of SafeAssign will be without recourse against Blackboard Inc. and its affiliates.
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Solve the problems using excel-Optimization Models with Integer Variables
Review your understanding of the material by working through the problem sets. Pay particular attention to the problems indicated by the colored box around the problem number. You can compare your work on those with the solutions that are in the Student Solutions manual. You should find the Conclusion pages 324-325 a good review of what you should have learned in this module.40-You are given a group of possible investment projects for your company’s capital. For each project, youare given the NPV the project would add to the firm, as well as the cash outflow required by each project during each year. Given the information in the file P06_40.xlsx, determine the investments that maximize the firm’s NPV. The firm has $25 million available during each of the next five years. All numbers are in millions of dollars.44-To graduate from Southeastern University with a major in operations research (OR), a student must complete at least three math courses, at least three OR courses, and at least two computer courses. Some courses can be used to fulfill more than one requirement: Calculus can fulfill the math requirement; Operations Research can fulfill the math and OR requirements; Data Structures can fulfill the computer and math requirements; Business Statistics can fulfill the math and OR requirements; Computer Simulation can fulfill the OR and computer require- ments; Introduction to Computer Programming can fulfill the computer requirement; Forecasting can fulfill the OR and math requirements; and Data Mining can fulfill the OR, math, and computer requirements. Some courses are prerequisites for others: Calculus is a prereq- uisite for Business Statistics; Introduction to Computer Programming is a prerequisite for Computer Simulation and for Data Structures; and Business Statistics is a pre- requisite for Forecasting and Data Mining. Determine how to minimize the number of courses needed to satisfy the major requirements. (Hint: Because Calculus is a prerequisite for Business Statistics, for example, you will need a constraint that ensures that the decision variable for Calculus is greater than or equal to the decision vari- able for Business Statistics.)
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statistics hmwrk
QUESTION 1.(a). A biologist assumes that there is a linear relationship between the amount of fertilizer supplied to tomato plant and the subsequent yield of tomatoes obtained. Eight(8) tomato plants of the same variety, were selected at random and treated, weekly, with a solution in which x grams(g) of fertilizer was dissolved in a fixed quantity of water. The yield y kilograms (kg) of tomatoes was recorded as follows.PlantABCDEFGHx1.01.52.02.53.03.54.04.5y3.94.45.86.67.07.17.37.7(i). Plot a scatterplot of yield, y against amount of fertilizer, x. ( 3 points)(ii). Calculate the equation of the least square regression line of y on x. ( 8 points)(iii). Estimate the yield of a plant treated, weekly, with a 3.2 grams of fertilizer.( 2 points)(iv). Indicate why it may not be appropriate to use your equation to predict the yield of a plant treated weekly with 20 grams of fertilizer. ( 2 points)(b). The table below shows a Verbal Reasoning test scores, x and an English test scores, y for each of a random sample of eight (8) children who took both testsChildABCDEFGHx112113110113112114109113y6965757070756876(i). Calculate the value of the product moment correlation coefficient between the scores in Verbal Reasoning and English. ( 8 points)(ii).Comment briefly, in context on the result obtained in part(i). ( 2 points)QUESTION 2.(a).(i).Suppose that the variables X and Y satisfy the four assumptions for regression inferences such that for samples of size n, each with the same values X1, X2, X3…………………… Xn, for the predictor variable, List the three properties that must hold for the slope b1 of the sample regression line.(ii).What distribution is used for the inferences for β1 (2 point).(iii).In a hypothesis test for the slope β1 such that Ho:β1=0 vs. Ha:β1≠0, write the formula for the test statistic and state its degrees of freedom. (2 point).(b).When you are asked to use the critical value approach to conduct a Regression t-test state the following.(i).Purpose (2 point).(ii).Assumptions (2 point).(iii).All the six steps (7 points) required to enable you to complete such a test.(c). Consider the following data on the age and price for a sample of eleven (11) Honda cars as displayed below.Age(yr) x54655566277Price($100) y851037082899866951697048At a 5% significance level, do the data provide sufficient evidence to conclude that age is useful as a linear predictor of price for the cars? .Use the critical value approach for your test.[Hint: Regression equation is yhat=195.47-20.26x, and Standard error of the estimate Se=12.58] (10 points).QUESTION 3.The following are the age and price (thousands of dollars) data for Corvettes from a car dealership in Sterling, Virginia. Find attached the DDXL output of the data from regression analysis.x(Age)6 6 6 2 2 5 4 5 1 4y(Price)290 280 295 425 384 315 355 328 425 325Dependent variable is y and independent variable is x.No Selector, 10 total cases.R2=93.7% R2 (adjusted)=92.9%S=14.25 with 10-2=8 degrees of freedomSource Sum of Squares df Mean Square F-ratioRegression 24057.9 1 24057.9 119Residual 1623.71 8 202.964Variable Coefficient s.e of Coeff t-ratio probConstant 456.602 11.43 39.9 <0.0001X -27.9029 2.56 -10.9 <0.0001(a).(i). From the DDXL output write the regression equation. (2 points)(ii).From the DDXL output, figure out the value of Se. (1 point)(iii). Calculate the value of Sxx from the databy using the values of x. (5 points).(b).Obtain a 90% confidence interval for the mean price of all 3-year old cars by using the conditional mean t-interval procedure on page#17 & page#18 of section E class lecture notes.[By using the values of Se from (a)-(ii) and Sxx from(a)-(iii), you can find (b)] (7 points)(c).Obtain a 90% prediction interval for the price of a 3-year old car by using the predicted value t-interval procedure on page#20 & page#21 of section E class lecture notes. .[By using the values of Se from (a)-(ii) and Sxx from(a)-(iii), you can find (c)] (7 points)(d). By comparing your results from (b) and (c) which interval is wider? and give two reasons why such results is expected. (3 points)
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Lesson Plan, Elementry Math, (Strategies for Problem Solving)
Design a lesson plan on Problem SolvingInclude the following:Overview: Write an introduction to the class activity. Include the purpose of the activity and desired outcome.Objectives: The objectives should be specific and measurable.Time: How long will the activity take when implemented in the classroom?Materials: Describe any materials that are needed to conduct the lesson.Activity: Provide a detailed description of the activity. Write all steps from the instruction of the assessment.Your lesson plan may be in any form approved by the instructor.APA style is not required, but solid academic writing is expected.
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VI Research
question is attached.
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week 6
Week 6 Assignment: Reaching a Common Goal Through CollaborationDue: Week 6Points: 150Skill(s) Being Assessed: Relationship Building – Collaboration, (Self and Social Awareness)In Week 4, you created your Group Project Plan and began working on your common group goal. This week, you’ll analyze and reflect on the collaborative process.Criteria for Success: In this assignment, you will:Provide clear and comprehensive documentation of the common goal the team has completed.Describe the team process, including each specific person’s role and responsibilities and how these were established.Identify collaborative tools (or potential tools used) and explain how they supported (or would support) work towards a common goal, with specific examples.Describe 2–3 effective collaborative approaches or strategies and how they were used by the group to accomplish the team’s goal, including concrete examples.Describe challenges and opportunities for improvement in collaborative teamwork, including specific examples.What to submit/deliverables: A completed Reaching a Common Goal Through Collaboration Template [DOCX].What is the value of doing this assignment? This assignment gives you the opportunity to practice your relationship-building skills, and further develop your interpersonal interactions and collaboration techniques. It will show that you can collaborate with others to resolve a problem and work toward a common goal.Almost every job application lists communication as a requirement. We’ve all had experiences—whether on the playground, over text, or in a parent-teacher conference—where we know we could have communicated more clearly and effectively. This assignment asks you to use what you’ve learned in the course about interpersonal interaction, collaborating in small groups, and responding in the workplace to complete a common goal and reflect on the collaborative strategies or approaches used. Worried about where to start? The good news is that you’ve already established a foundation with these skills by reading Chapters 2, 5, and 20 in The Art of Public Speaking. You will use what you learned in those chapters to help you complete this assignmentYour goal for this assignment is to: Complete a common goal with a team and reflect on the collaborative strategies and approaches used.What you need to complete this assignment: To complete this assignment, you will need the following resources:Assignment Overview Video.Reaching a Common Goal Through Collaboration Template [DOCX].Steps to complete: In Week 6, complete and submit your assignment in BlackBoard using the following steps:STEP 1: Document your progress and the outcome of the common goal your team worked together on. This can be in the form of a picture, document, or other evidence of collaborating toward achieving the group goal. A few examples of documentation are a picture of the group collaborating, before and after pictures of goal completion, or a screenshot of group progress (calendar, list, tracking chart, etc.).STEP 2: Download the Reaching a Common Goal Through Collaboration Template [DOCX] and complete all sections.STEP 3: Upload the completed document to the Assignment 3 link in Week 6 of Blackboard.
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