Solved: Usual and Unusual Values. In Exercises 912, consider a value to be unusual if
Chapter 3, Problem 9(choose chapter or problem)
Usual and Unusual Values. In Exercises 912, consider a value to be unusual if its z score is less than 2 or greater than 2. IQ Scores The Wechsler Adult Intelligence Scale measures IQ scores with a test designed so that the mean is 100 and the standard deviation is 15.Consider the group of IQ scores that are unusual. What are the z scores that separate the unusual IQ scores from those that are usual? What are theIQ scores that separate the unusual IQ scores from those that are usual?
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