usual and unusual Values. In Exercises 912, consider a
Chapter 3, Problem 9(choose chapter or problem)
usual and unusual Values. In Exercises 912, consider a value to be unusual if itsz score is less than -2 or greater than 2. IQ Scores The Wechsler Adult Intelligence Scale measures IQ scores with a testdesigned so that the mean is 100 and the standard deviation is 15. Consider the group ofIQ scores that are unusual. What are the z scores that separate the unusual IQ scores fromthose that are usual? What are the IQ scores that separate the unusual IQ scores from thosethat are usual?
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