If there is severe multicollinearity, which variable would you drop and why? Explain. Variance Inflation FactorsDate: 11/27/21 Time: 23:24Sample: 1973 1998Included observations: 26CoefficientUncenteredCenteredVariableVarianceVIFVIF3.37E+085.764515NAX10.081335458.2029164.6002X22.751412460.0499189.9413X311.59506865.8420440.3385X44.497165168.769969.97546X52.421020941.6922431.8731X61.578440242.6026136.9350

Given information: The multiple linear regression output is given.

Answered: If there is severe multicollinearity,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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If the number of independent variables is 5 and the number of observations is 10, the degrees of freedom are what?
Two classes were tested to compare the class average on the final exam. Both classes were given the same final exam. One class was allowed to use their study guide on the final and the other class was not. Identify the INDEPENDENT VARIABLE in the problem.
Dr. Peart randomly assigns some children to two separate groups. One group of children watches a video of an adult "beating" a doll. The other group watches a video of the same adult playing with the doll. After the video, each child is given a doll and the researchers observed what they did with the doll. In this case, the independent variable is: i. What is the independent variable and dependent variable in this study? Name the conditions in the independent variable. ii. If Dr. Peart wants to have 10 children in each condition, what is the total number of kids that she needs?
In general, if two variables are strongly associated, does it follow there must be a cause and effect relationship between them? Explain
You need to use Stata to look up the dataset and its variables. Use Stata Companion Textbook. (Dataset: NES. Variables: spend8, [pw=nesw].) The NES dataset contains spend8, which records the number of government policy areas where respondents think spending should be increased. Scores range from 0 (the respondent does not want to increase spending on any of the policies) to 8 (the respondent wants to increase spending on all eight policies). The NES, of course, polls a random sample of U.S. adults. In this exercise you will analyze spend8 using the mean and lincom commands. You then will draw inferences about the population mean. (Remember to specify nesw as the probability weight.) The spend8 variable has a sample mean of ______. Make sure you use [pw=nesw] so your results are nationally representative. There is a probability of .95 that spend8’s true population mean falls between a score of ______ at the low end and a score of ______ at the high end. A student researcher…
A study investigated the relationship between audit delay and variables that describe the client and the auditor. The file Audit contains data from a sample of 40 companies on the following set of variables: Delay: The length of time from a company's fiscal year-end to the date of the auditor's report. Industry: A dummy variable coded 1 if the firm was an industrial company or 0 if the firm was a bank, savings and loan, or insurance company. Public: A dummy variable coded 1 if the company was traded on an organized exchange or over the counter; otherwise coded 0. Quality: A measure of overall quality of internal controls, as judged by the auditor, on a five-point scale ranging from "virtually none" (1) to "excellent" (5). Finished: A measure ranging from 1 to 4, as judged by the auditor, where 1 indicates "all work performed subsequent to year-end" and indicates 4 "most work performed prior to year-end." Click on the datafile logo to reference the data. Consider a model in which…
15 wheelchair users were randomly assigned to three groups with 5 in each group. These participants navigated in virtual-reality settings. Group 1 participants were in the virtual-reality setting (a building) as wheelchair users. Group 2 participants were in the virtual-reality setting in a wheelchair pushed by a walking person. Group 3 participants walked without aid in the virtual-reality setting. Joan measured the time each participant needed to complete the navigation of the virtual-reality setting. What is the independent variable(s)?
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The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
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I need to the right answer for this please.
An ethical data analyst would be least likely to Multiple Choice check data for accuracy. cite his/her data sources and their limitations. acknowledge sources of financial support. rely on consultants for all calculations.

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