题目内容
（请给出正确答案）
[主观题]
According to the passage, which of the following is true concerning the ability to create
abstractions？
A．The ability stems from the anatomical center of human's visual brain, whose location has yet to be identified.
B．The ability steadily develops in humans with the gradual acquisition of knowledge.
C．The ability is best categorized as an innate, and therefore unlearned, ability that is rarely improved on over time.
D．The ability to create abstractions is predicated on an enslavement to the particulars of those abstractions.
E．The ability most likely has developed as a response to the limitations of the human memory.
提问人：网友polarbear627
发布时间：2022-01-07
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is wage and
is a gender dummy variable,taking value 1 if an employee is female and value 0 if an employee is male. Which of the following is NOT correct, regarding the interpretation of the conditional expectation
?
can be interpreted as the average wage of a female worker
can be interpreted as the average wage of a male worker
