In order to be diagnosed as mentally retarded, a person would have to score at least __________ standard deviation(s) below the mean score on an IQ test.

A) one-half
B) one
C) two
D) three

Question

In order to be diagnosed as mentally retarded, a person would have to score at least __________ standard deviation(s)  below the mean score on an IQ test.A)  one-halfB)  oneC)  twoD)  three

bethel sisay sebsebie · Accepted Answer

Final Answer : C, Explanation :  In order to be diagnosed as mentally retarded, a person would have to score at least two standard deviations below the mean on an IQ test. This means that their IQ score would be below 70.

In order to be diagnosed as mentally retarded, a person would have to score at least __________ standard deviation(s) below the mean score on an IQ test.

A) one-half
B) one
C) two
D) three

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