Based on the Variance Inflation Factor in the photo given, what can we conclude? Based on the VIF, what is the conclusion?Variance Inflation FactorsDate: 11/27/21 Time: 23:24Sample: 1973 1998Included observations: 26CoefficientUncenteredCenteredVariableVarianceVIFVIFC3.37E+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: Based on the Variance Inflation Factor…

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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can you please answer question 5
An empirical researcher reports the following for a particular stock: “In ourdata sample we find that the variance of (de-trended) ex post stock prices is128 whereas the variance of (de-trended) actual stock prices is 110.” Whatmay this tell us? Are there any potential problems with what it may tell us?
Which statement is not correct?A. Spurious correlation can often be reduced by expressing X and Y in per capita terms.B. Autocorrelation is mainly a concern if we are using time - series data.C. Heteroscedastic residuals will have roughly the same variance for any value of X.D. Standardized residuals make it easy to identify outliers or instances of poor fit. ( don't hand writing solution)
If two samples are selected from the same population, under what circumstances will the two samples have exactly the same t statistic? Question 4 options: If the samples are the same size and have the same variance If the samples are the same size and have the same mean If the samples have the same mean and the same variance If the samples are the same size and have the same mean and the same variance
QUESTION 6 Marketers believe that more than 67% of adults in UAE own an iPhone. The appropriate null and alternative hypotheses are Ho: p ≤ 0.67 vs Ha: p > 0.67. Ho:p>0.67 vs H₂: p≤0.67. Ho: p=0.67 vs H₂ip #0.67. ⒸH:p20.67 vs H₂: p<0.67.
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Q.No.1. (Marks 08) Explain the following with suitable examples. Mutually exclusive events Sampling Correlation Regression
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Question 6 "An electrical firm produces light bulbs that have a length of life that is approximately normally distributed with a mean of 660 hours and a population standard deviation of 25 hours. A new version of light bulbs is being produced and is assumed to be better than the previous version. To test this claim, a random sample of 92 new light bulbs are tested. Would you buy the new version of the light bulb or would you buy the older version if the random sample showed an average of 870 hours? Use a 0.05 level of significance." I will buy the older version until there is sufficient evidence to do otherwise. B I will buy the new version. C I will certainly buy the older version because I am 100% sure it is better. There is no sufficient data to make a sound conclusion.

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