A new IQ test has a standard error of measurement (SEM) of 3. Tom scores 106 on the test. If he takes the test a lot, we can predict that about 68% of the time
A) Tom will score between 100 and 103
B) Tom will score between 100 and 106
C) Tom will score between 103 and 109
D) Tom will score higher than Betty who scored 139

Q&A Education