相比2022，是今年考纲有变化吗， 二三选项没有了解过

问题如下：

Identify the correct answer related to the following statement.Possible solutions for addressing the multicollinearity issues identified in Exhibit3 include:

1. excluding one or more of the regression variables.

2. using a different proxy for one of the variables.

3. increasing the sample size.

选项：

A.Only Solution 1 is correct. B.Only Solution 2 is correct. C.Solutions 1, 2, and 3 are each correct.

解释：

C is correct. Possible solutions for addressing multicollinearity issues include all of the solutions mentioned: excluding one or more of the regression variables,using a different proxy for one of the variables, and increasing the sample size.