计量关于简单回归模型的问题Two individuals fit earnings functions relating EARNINGS to S.The first individual does it correctly and obtains the resultEARNˆINGS = −1.39 +1.07SThe second individual makes a mistake and regresses S

计量关于简单回归模型的问题Two individuals fit earnings functions relating EARNINGS to S.The first individual does it correctly and obtains the resultEARNˆINGS = −1.39 +1.07SThe second individual makes a mistake and regresses S
计量关于简单回归模型的问题
Two individuals fit earnings functions relating EARNINGS to S.
The first individual does it correctly and obtains the result
EARNˆINGS = −1.39 +1.07S
The second individual makes a mistake and regresses S on EARNINGS,obtaining the following result:
Sˆ =12.255 + 0.097EARNINGS
From this result the second individual derives
EARNˆINGS = −126.95 +10.36S
Explain why this equation is different from that fitted by the first individual.

计量关于简单回归模型的问题Two individuals fit earnings functions relating EARNINGS to S.The first individual does it correctly and obtains the resultEARNˆINGS = −1.39 +1.07SThe second individual makes a mistake and regresses S
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