homoskeda

NO.PZ2023062701000013 问题如下 A researcher is investigating the relationship between the age of a house anits selling price. The researcher collects ta on 50 houses in a specific neighborhoo Whiof the following assumptions of lineregression is most likely to violatein this stu? A.Linearity B.Homoskesticity C.Inpenn In this stu, the assumption of inpennis most likely to violate The assumption of inpennin lineregression states ththe observations, or pairs of Ys anXs, are inpennt of one another. However, in the case of houses in a specific neighborhoo there mpotentiinterpennor clustering of the tFactors sulocation, neighborhoocharacteristics, or other shareattributes of houses in the same area cleto non-inpennamong the observations. The selling prices of houses in close proximity msimile to factors specific to the neighborhoo leang to a violation of the inpennassumption in lineregression. 本题为什么不能理解为“房龄越长，市场价格越低，波动越大，残差越大”这个思路呢？

NO.PZ2023062701000013问题如下 A researcher is investigating the relationship between the age of a house anits selling price. The researcher collects ta on 50 houses in a specific neighborhoo Whiof the following assumptions of lineregression is most likely to violatein this stu? A.LinearityB.HomoskesticityC.Inpennce In this stu, the assumption of inpennis most likely to violate The assumption of inpennin lineregression states ththe observations, or pairs of Ys anXs, are inpennt of one another. However, in the case of houses in a specific neighborhoo there mpotentiinterpennor clustering of the tFactors sulocation, neighborhoocharacteristics, or other shareattributes of houses in the same area cleto non-inpennamong the observations. The selling prices of houses in close proximity msimile to factors specific to the neighborhoo leang to a violation of the inpennassumption in lineregression. 这题是根据房龄跟房价所以选C吗

NO.PZ2023062701000013 问题如下 A researcher is investigating the relationship between the age of a house anits selling price. The researcher collects ta on 50 houses in a specific neighborhoo Whiof the following assumptions of lineregression is most likely to violatein this stu? A.Linearity B.Homoskesticity C.Inpenn In this stu, the assumption of inpennis most likely to violate The assumption of inpennin lineregression states ththe observations, or pairs of Ys anXs, are inpennt of one another. However, in the case of houses in a specific neighborhoo there mpotentiinterpennor clustering of the tFactors sulocation, neighborhoocharacteristics, or other shareattributes of houses in the same area cleto non-inpennamong the observations. The selling prices of houses in close proximity msimile to factors specific to the neighborhoo leang to a violation of the inpennassumption in lineregression. 不是很会判断这类题目中考察哪个assumption对线性回归的影响最大。有没有一些tips