咨询一个问题

问题如下：

Mike collects values for ROE, CEO tenure and ESG rating for a sample of40 companies from the large-cap security universe. He performs a multipleregression with ROE (in percent) as the dependent variable and ESG rating, CEOtenure (in years) as the independent variables. He also wants to check on therelationship between these variables and the dividend growth rate (divgr).

Which of the followingwould violate the assumptions of multiple regression analysis?

1. ROE is lesscorrelated with the dividend growth rate in firms whose CEO has been in officemore than 15 years, and

2. CEO tenure is a normallydistributed random variable.

选项：

A.

The assumption about CEO tenure distribution only

B.

The assumption about the ROE/dividend growthcorrelation only

C.

The assumptions about both the ROE/dividend growthcorrelation and CEO tenure distribution

解释：

Multiple linear regression assumes that therelationship between the dependent variable and each of the independentvariables is linear. He believes that this is not true for dividend growthbecause he believes the relationship may be different in firms with along-standing CEO. Multiple linear regression also assumes that the independentvariables are not random. He states that he believes CEO tenure is a randomvariable.