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**We working with k-means clustering*** ***Be sure to provide any formulas or equations you used and support to defend your reasoning*** 1. Given 1,000 observations where each observation has 11 dimensions (features), what value of k will produce the lowest mean squared distance error? Hint: I have not told you anything about the distribution. It does not matter! 2. Given the same 1,000 observations, which value of k will have the largest mean squared distance error?.

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What are the most important issues that an HR team needs to consider when deciding to use an employee survey or some other method? Gather any kind of feedback, whether through a survey or other method, creates an expectation for employees that change will happen in line with their response/information. What are does things HR professionals need to keep in mind when managing expectations about change flowing from employee feedback?.

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What does compile-time type checking do? [6 marks] a. Allow a single type for each expression b. Check for type consistency of each operator at compile time c. Report where in source code the error is found d. Catch all errors before runtime Which of the following type errors can be caught at compile time? [6 marks] a. adding an integer with a string b. An array being accessed out-of-bound c. Null pointer dereference d. A value being casted to an unrelated type e. Dividing a value by zero.

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What does HSAM stand for? What is the range of memory accuracy for HSAMs? Based on the brain scans of 12 HSAMs, which part of the brain appears to more active when they recall memories? What type of research is being conducted when a scientist takes functional brain scans while a participate in rememberingdescriptive, predictive or experimental? What research methods are scientists using when they study the memory of 11-year old HSAM, Jake Hassler, as he developscase study, self-report, observation, correlational study, experiment? What two questions are researches trying to answer by studying HSAMs? WHAT IS MEMORY? (9:46) What structure in the brain did researchers discover is important for forming and maintaining new long-term memories from the case of HM (Henry Molaison)? According to your textbook CH 07 Memory, what type of memories are formed by this structure? Why did surgeons remove this structure from HMs brain? Did the surgery cure his disorder? What was a major unintended side effect of this surgery? Despite not having this structure in his brain, what types of memories could HM still develop? What task did scientist Brenda Milner use to demonstrate that HM could still form some types of long-term memories? How do we know that HM did not form an episodic memory of the task? How do we know that HM formed procedural memories of the task? According to your textbook CH 7 Memory, where are implicit memories formed in the brain? Describe the two studies conducted by researcher of Nobel Prize winner Eric Kandel by answering the questions that follow: For the first study, what was the question guiding the research? What was the subject for this study? Why did he choose this animal for his research? What type of research methods were used? What did he do? (method or procedure) What data did he collect? What did he find? (the results) How did he interpret the findings? (the conclusion) For Kandels second study, what was the question guiding the research? What was the subject for the study? Why did they choose this subject for their study? What type of research methods did Kandel use? What did he do? (the method/procedure) What data did he collect? What did he find? How did Kandel interpret the results? WHERE DOES MEMORY LIVE? (9:38) Where are memories stored in the brain? What is the role of the hippocampus in remembering? What happens to the integrity of a memory when you recall it? What is memory consolidation? Describe the study conducted by Karim Nadir by answering the questions below: What question were guiding his research? Who were his subjects? What did he do? (Method/procedure) What does the drug Azinomycin do? What data did Nadir collect? What did he find? (results) How did he interpret the findings? (Conclusion) On the whole, are memories reliable? Based on the research of Nadir, which is a better metaphor for memory storage? a letter in an envelope a book on a shelf in a library a file in a computer that you can open, edit and sav.

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Web Server Python Assignment You will develop a web server that handles one HTTP request at a time. Your web server should accept and parse the HTTP request, get the requested file from the servers file system, create an HTTP response message consisting of the requested file, and then send the response directly to the client. If the requested file is not present in the server, the server should send an HTTP 404 Not Found message back to the client. HTML File Create an HTML file and store this in the same directory as your server program. You can create any HTML file you would like for this assignment, but it should at a minimum contain a body of text. Server code Create the server socket (using TCP) and bind it to the IP address of the server and port number. Establish a listening socket to listen for incoming connections from a client. Establish a separate connection socket for the client-server. The server should then receive a request from the client. This message is the file name of the HTML file that the client is requesting. The HTML file needs to be stored in the same directory as the server script. The server will need to extract the requested object from the message and open the file to then read the contents of the requested file. The server then sends an HTTP response (the status code) if the file is found and then returns the contents of the file to the client. The connection socket is then closed since we are only servicing one request per connection. The server should send the appropriate status code to the client if the file is not found and close the connection socket. * There is nothing in the code shutting down the server program if the connection is successful, so make sure to kill the process manually when not working on the program. * Client Code Write your own HTTP client to test your server. Your client will connect to the server using a TCP connection. You will need to accept the IP address of the server and port number as input from the user. Send a request to the server. This is a message containing the file path of the file the client wants to retrieve. The file path is obtained as input from the user. Display the server response and contents of the file as output. The client should be able to receive all the bytes of data sent from the server regardless of the number of bytes of your specific HTML file. Close the connection.

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