For all the questions below, use degrees of freedom N – 1.
Q1. Given a dataset, (file data.online.scores.txt) which includes the records of studentsexam scores (sample from the population) for the past few years of an online course.
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The firstcolumn students’ id, the second column is the mid-term scores, and the third column is the finalscores, and data are splitted by tab. Based on the dataset, give out the following statisticaldescription of data. If the result is not integer, then round it to 3 decimal places. Give out the basic statistical description about mid-term scores.
Q2. Based on the data of students’ score (file data.online.scores.txt).
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Please normalize the mid-term score using z-score normalization (divided by the empirical standard deviation).
a. Compare the empirical variance before and after normalization.
b. Given original score of 90, what is the corresponding score after normalization?
c. Pearson’s correlation coefficient between midterm scores and final scores is:
d. Covariance between midterm scores and final scores is:
Q3. Given the inventories of two libraries Citadel’s Master Library (CML) and Castle
Black’s library(CBL), compare the similarity between this two libraries by using the different
proximity measures. if the result is not integer, then round it to 3 decimal places.
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a. Given 200 books, the following table summarizes how many books are supplied by corresponding library in Table 1. In Table 1, for CBL = 0, CML = 0, it corresponds the number of items among the 200 items that are served neither by CBL nor CML. For CBL = 1, CML = 0, it corresponds the number of items among the 200 items that are served by CBL but not CML.
So on and so forth. Based on Table 1, calculate the Jaccard coefficient of Citadel’s Maester Library (CML) and Castle Black’s library(CBL).
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Managing device virtualization and cloud deployment
For many IT professionals, managing device virtualization and cloud deployment is a daunting task.
To facilitate the process, various companies offer an off-the-shelf-product that offers life cycle solutions for managing private cloud deployments and optimizing the underlying virtual devices. Given the current research paradigm, discuss how cloud-management considerations may vary across the life cycle of a cloud-based solution. In this sample, you will play the role of the subject matter expert (SME) making a decision for your organizational needs. Outline the overall modular process from planning, integration, maintenance, and finally termination.
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Submit a Processing sketch that implements the following items, based on the Shiffman text, chapters 4 – 6. The goal is to demonstrate your understanding of variables, conditionals, and loops. You can use the textbook and our lab demonstration sketches as inspiration, but spend some time experimenting and try to create something of your own. Your sketch should include the following:
The TestOut PC Pro exam is comprised of several questions incorporating lab activities, each requiring multiple tasks.
Time limit – for those competent in basic computer skills, completion time for the exam is approximately 45 minutes; however, there is a maximum time limit of 2 hours.
Passing score for the PC Pro Certification is 1360 on a scale of 200-2000.
The TestOut PC Pro Certification is a true 100% performance-based certification certification that measure not just what you know, but what you can do.
The TestOut PC Pro Certification measures the following topics:
System Components
Peripheral Devices
Storage
Networking
Printing
Mobile devices
Windows System Management
System Implementation
File Management
Security
Trouble Shooting
Time Limit: 120 Minutes
Question Count: Up to 15 performance-based simulation questions
Task Count: Up to 50 tasks
Make sure to pay attention to all the questions required to complete each exam.
Cloud Deployment Models Company eBay allows sellers to post their products on the web site. Buyers can purchase merchants from the web site.
Neither the sellers, nor the buyers have knowledge of the networks, which is a cloud.
Cloud Deployment Models
Assuming that you are designing a web portal for eBay, which Cloud Deployment Models will you choose. Describe how you will design the cloud. In this tutorial we will review the Cloud Computing definition including Cloud properties, service models, deployment models. We will also discuss Cloud services models IaaS, PaaS, SaaS and corresponding general use cases as well as High Performance Computing (HPC) in clouds. Computer Grids and Cloud Computing will also be reviewed.
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1. In your own words please elaborate on why the CPU is the most important component in a computer?
2. what are words that make up a high-level programming language called?
3. what is the difference between a compiler and an interpreter?
4. List the components and explain the process that takes place when a CPU executes instructions in a program?
Assume you are writing a program that calculates a user’s total order cost that includes sales tax of 6.5%. What are some advantages of using a named constant to represent the sales tax instead of simply entering 0.065 each time the tax is required in the code?
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Append to this portfolio 1 last project that includes the design of an artificial intelligence agent. Specifically, your company has asked your team to design an app that will complete a Sudoku game, given any starting state of the game. See this Web site for the rules.
Part 2a: State Space
Describe how you plan to search for the Sudoku solution given a starting state.
Clearly define your state space here: What does a vertex in your state traversal tree represent?
Part 2b: Traversal Time Complexity
Assuming you were to naively traverse your state space, what is the upperbound time complexity (in terms of Big-O) of a brute force searching algorithm?
Present this result in terms of n and p where nxn is the size of the Sudoku board and p is the number of possible numbers (1–9) permitted in a square.
Part 2c: Heuristic Search
What type of heuristic search would you employ to search this state space in hopes to reduce the search time?
Think about the problem and how you might search this state-space tree.
Part 2d: Pseudocode
Create pseudocode that finds the solution to a Sudoku game using a brute force search or using your heuristic discussed above.
To simplify this task, assume that you have standard data structures available to you, such as stacks and queues.
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1.We mentioned in the class the concepts of synthesized attributes and inherited attributes for attribute grammar. Please write more about these two attributes. (About 1-2 pages). (You may search for references on Internet, and list the references with correct format)
2.The von Neumann computer architecture has a bottleneck, people suggested several methods (or technology) to overcome this bottleneck. Do some research and write 2 page(s) essay about these methods/technology (you should include citations/references)
Your essay should have a title.
It may include a figure(s), each figure should have a figure caption below it;
It should include at least one reference.
The reference format should be:
Author names, year. paper title, journal/conference name, vol # (if it has), pp #. (for journal or conference paper)
Author names, year. article title, retrieved site www. Xxxxx.com . (For article from internet).
Cisco. “PIX Firewall”, retrieved from www.cicso.com
(if the article has no author, use the organization name as the author).
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Apply the Normalization rules to your database design. Describe in words how 1NF, 2NF, and 3NF apply to your design/database schema.
Apply all the modifications that you made due to applying NF rules to your actual database in the DBMS (MS SQL Server).
(please provide steps on how to do so)
Put your explanation for how 1NF, 2NF, and 3NF apply to your database in a Word document OR PowerPoint presentation.
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