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Iq of a group of heroin abusers

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Reference no: EM131494012

Dr. Jefferson wants to know if the IQ of a group of hobos is bette than the IQ of a group of heroin abusers. The hobos had a mean IQ of 95, SD = 3. The mean IQ for the heroin abusers was 82, SD = 4.

Reference no: EM131494012

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