The data in the table were obtained by members of departments at Harvard Medical School, Massachusetts General Hospital, Dartmouth College, Dartmouth Medical School, and the University of California at Davis. Funding for the study was provided by awards from the National Institutes of Health, which is an agency of theU.S. Department of Health and Human Services. Does the source of the data appear to be unbiased?

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IQ Score and Brain Volume Subject 1 2 3 4 5 IQ Score 87 127 101 94 97 Brain Volume (cm) 1035 1034 1173 1347 1029