Question

Iq scores are measured with a test designed so that the mean is 116116 and the standard deviation is 1818. 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 the iq scores that separate the unusual iq scores from those that are​ usual? (consider a value to be unusual if its z score is less than minus−2 or greater than​ 2.) what are the z scores that separate the unusual iq scores from those that are​ usual? the lower z score boundary is nothing.

Answer 1

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