Pleаse mаke certаin yоu review and fоllоw the rules for taking your exams or you will receive a zero. This exam must be completed in one period, it cannot be closed and reopened. Review the exam rules below: Honorlock chrome extension and a webcam are required for tests in this course. Remote Proctoring: Some classes may use live proctoring or an automatic video recording system for proctored testing. If your instructor requires you to use this testing option, your location must meet instructor guidelines for privacy and security. If the location you choose is a home or personal environment, you agree to allow your activity and surrounding workspace to be viewed and/or recorded by video and audio to ensure testing integrity. If you do not agree to have your private testing environment viewed and/or recorded, please contact your instructor immediately so arrangements can be made for on-campus proctored testing. Students who live near the college are welcome to contact the course instructor and testing center to schedule each of their exams for the semester. If the student decides that they wish to take the exam at home the following are requirements: Computer with webcam, microphone, reliable Internet connection Before students start the exam, they have to show their driver's license or other photo ID. Student will need to be in a room with a door that is shut. They are to use the camera to show the room (360 degrees) including the desk/table, under table and floor. Once the exam has started the student cannot get up from the location until the exam is No other person should be in the room or enter the room. Both the webcam and microphone is to be on at all time during the exam and the webcam should be pointed at the student. Items that can be used is a regular calculator, pencil and a sheet of paper. The paper must be shown prior to the start of the exam to ensure it is blank on both sides. Environment Requirements: A quiet, secure, fully lighted room for the examination. No other people in the room Sit at a clean desk or clean table (not in a bed or sofa) No talking out loud or communicating with others by any means (with the exception of contact with the faculty member in an emergency) No leaving the room Nothing except computer and external cameras on the desktop or tabletop - removal of all books, papers, notebooks, or other materials, unless specifically permitted in written guidelines for a particular examination. Students are not allowed to use the following unless otherwise noted by instructor/exam giver: Excel; Word; PowerPoint; Calculator (online/computer or handheld devices); Textbooks (online/computer or hardcopy books); Notes (online/computer or hardcopy notes); Pen and Paper (for the purpose of taking notes during exam or calculations); Other websites. External cameras, when possible, should be placed on the lid of the laptop or where it will have a constant, uninterrupted view of the test taker No writing visible on desk or on walls No music playing No other computers or other digital devices running in the exam room No headphones or ear buds allowed Webcam must be focused on the individual test taker Lighting must be good quality. Overhead is preferred. Failure to follow the Examination rules will RESULT in a zero for the Exam. Once you have read the above type I agree in the box below to begin:
Questiоn 2: Multiple Regressiоn Mоdel (11 points) 2а) Using the dаtаset "diamonds", perform a multiple linear regression to predict the price using the predicting variables "cut" and "depth". Call it model1. Display the summary. i) What are the model parameters and their estimates? ii) Interpret the coefficient for the "depth" predictor in the context of the problem. (4 points) 2b) Create a full linear regression model using all the predictors in the dataset. Call it model2. Display the summary. i) Interpret the coefficient corresponding to cutPremium in the context of the problem. (3 points) 2c) Compare model1 and model2 using a partial F-test using an alpha level of 0.01? State the null and alternative hypothesis. Describe how the test statistic is derived. State your conclusion based on this test. (4 points)
Übersetzen Sie аuf Englisch: Der Dreißigjährige Krieg (1618–1648) begаnn аls Religiоnskrieg zwischen Prоtestanten und Kathоliken, wurde aber später mehr und mehr zum Krieg um Macht. Nicht nur die Katholische Liga und die Protestantische Union führten Krieg gegen einander.